Labcorp test code for methylmalonic acid

Methylmalonic acidemias are a group of inherited diseases characterized by lethargy, vomiting, developmental delays, hypotonia, and enlargement of the liver. They involve defects in one of several proteins and enzymes that break down certain amino acids, fatty acids, and cholesterol in the body.

Labcorp test code for methylmalonic acid. CPT Code: 83921. Test Type: 2 mL Serum or plasma. Stability Time: Reference Range: 0-378 nmol/L. Overview: Serum methylmalonic acid (MMA) measurement is used to …

Blood MMA Test. Healthy people will have MMA below 370 nmol/L (nanomoles per liter) or 0.37 umol/L (micromoles per liter). The normal range varies somewhat between laboratories and some labs also provide a low-normal limit. The cut-off value that points to vitamin B12 deficiency has not been universally agreed upon.

MMA may be ordered along with a homocysteine test when a vitamin B12 deficiency is suspected. Methylmalonic acid (MMA) found in the urine is often associated with the early stages of B12 deficiency. Vitamin B12 is necessary for the production of red blood cells from the bone marrow. When B12 levels are low, red blood cell production decreases ...Methylmalonic acid is a substance produced when proteins, called amino acids, in the body break down. Your health care provider may order this test if there are signs of certain genetic disorders, such as methylmalonic acidemia. Testing for this disorder is often done as part of a newborn screening exam. This test may also be done with other ...Folate, with vitamin B 12, is essential for DNA synthesis, which is required for normal red blood cell maturation. 2 Humans obtain folate from dietary sources including fruits, green and leafy vegetables, yeast, and organ meats. 3 Folate is absorbed through the small intestine and stored in the liver. Low folate intake, malabsorption as a ...Labcorp test details for Amino Acid Profile, Quantitative, Urine. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results Pay ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 700140: Amino Acid Profile, Qn, Urine: 35087-6: 700069: Taurine: umol/g Cr: 28595-7: Methylmalonic Acid, Quantitative, Urine. Useful For. Evaluating children with signs and symptoms of methylmalonic acidemia using urine specimens. Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency. Method Name. Methylmalonic acid (MMA) is not often required; however, it may be useful in the following circumstances: Detect early and/or mild Vitamin B12 deficiency, when vitamin B12 results are equivocal (they neither rule in nor rule out deficiency), and there is a high clinical suspicion of deficiency. Diagnose/monitor patients with methylmalonic ...Feb 19, 2023 ... CPT: 81404. [MMACSF] Methylmalonic Acid. SPECIMEN REQUIRED: Frozen CSF. TUBE OR CONTAINER: Sterile tube. SPECIMEN VOLUME: 1 mL. MINIMUM VOLUME ...Labcorp test details for Homovanillic Acid (HVA), Random Urine. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 120246: Homovanillic Acid, Random Ur: 070016: Creatinine, Random U: mg/dL: 2161-8:

EconoLabs. Methylmalonic Acid (MMA), Serum. Covered tests: Methylmalonic Acid, Serum or Plasma ( LabCorp ) Covered components: Methylmalonic Acid, Serum. …Preferred test is Vitamin B12 with Reflex to Methylmalonic Acid, Serum (Vitamin B12 Status) (0055662). ||Centrifuge and remove serum or plasma from cells within 2 hours of collection. Transfer 1.2 mL serum or plasma to an ARUP Standard Transport Tube and refrigerate or freeze immediately. (Min: 0.6 mL) Plain red or serum separator tube.LabCorp; Lab One (Quest Diagnostics) ... Test Code LAB835 Methylmalonic Acid, Quantitative, Serum Additional Codes. Mayo Test Code: MMAS. Useful For.Methylmalonic acid (MMA) is not often required; however, it may be useful in the following circumstances: Detect early and/or mild Vitamin B12 deficiency, when vitamin B12 results are equivocal (they neither rule in nor rule out deficiency), and there is a high clinical suspicion of deficiency. Diagnose/monitor patients with methylmalonic ...Labcorp test details for Hepatitis C Virus (HCV) Genotyping, Nonreflex. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results Pay a ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 550475: HCV Genotyping Non Reflex: 32286-7: 550511: Hepatitis C Genotype: 32286-7: …MMA Blood. Test Code: 706961. Specimen Type: Blood. Description: Methylmalonic Acid Blood Test (Labcorp) A Methylmalonic Acid (MMA) Blood test is most often used to aid in …Lactic acid determination is generally indicated if anion gap is <20 and if pH is >7.25 and the pCO 2 is not elevated. (Mizock uses pH 7.35 as a diagnostic criterion. 1) The measurement of lactate levels may be indicated in the clinical setting of metabolic acidosis. Serum salicylate, ethanol level, and osmolality may be helpful. Methylmalonic Acid, Quantitative, Plasma. Useful For. Evaluating children with signs and symptoms of methylmalonic acidemia using plasma specimens. Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency. Method Name. Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Labcorp test details in Methylmalonic Acid, Serum or Plasma Leap to kopf content. Close Menu. Logins ... Order Codes Product Order Loinc Result Code Result Code Name UofM Outcome LOINC; 706961: Methylmalonic Acid, Whey: 13964-2: 706797: Methylmalonic Acidic, Serum: nmol/L: 13964-2:Test Code. LAB00119. Alias/See Also. Lab00119 LabCorp TC: 141503 Megaloblastic Anemia Cascade ... Methylmalonic acid levels below the upper limit of the reference range (0-378 nmol/L) are strongly suggestive of normal B12 status. Performing Laboratory LabCorp The CPT Codes provided in this document are based on AMA guidelines and …Methylmalonic Acid, Serum (LabCorp). Get know how much does lab test cost. Direct access testing with or without insurance. ... Methylmalonic Acid, Serum test cost is ...Labcorp test details for Chlamydia/Gonococcus, NAA. Skip to main content Close Menu. Logins ... Nucleic acid amplification (NAA) Reference Interval. No Chlamydia trachomatis or Neisseria gonorrhoeae detected. LOINC® Map. Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 183194: Chlamydia/GC …This test is intended for use as an aid in the diagnosis of HIV-1 or HIV-2 infection, including acute or primary infection. Presence of HIV-1 or HIV-2 RNA in the plasma of patients without antibodies to HIV-1 or HIV-2 is indicative of acute or primary HIV-1 or HIV-2 infection. This assay may also be used as an additional test, when it is ... 0.0−14.9 mg/24 hours. If a borderline elevation of 5-HIAA is found, sample should be recollected following withdrawal of dietary and medication sources that might elevate 5-HIAA (see Patient Preparation). Nontropical sprue may cause a slight increase in urinary 5-HIAA. 5-HIAA levels are lowered by renal insufficiency and after small bowel ...

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LOINC Code; Methylmalonic Acid, Urine (24-hour or Random) Liquid Chromatography/Tandem Mass Spectrometry ... Labcorp Test Code: 716365: CPT Code(s) 83921: Lab Section ...Labcorp is a leading provider of medical laboratory services, offering a wide range of tests and screenings to help individuals maintain their health and well-being. Labcorp has nu...Synonyms: B12 Deficiency, Cobalamin Deficiency, Methylmalonate, MMA, Methylmalonic Aciduria Primary Code: X706961 | Secondary Code: L1008 Specimen Collection Criteria: Collect (Preferred): 1 Gold-top serum separator tube (SST).(Minimum Whole Blood: 0.6 mL) Also Acceptable: 1 plain Red-top tube or 1 Dark Green-top Heparin tube.(Minimum …Antibodies to DNA, either single- or double-stranded, are found primarily in systemic lupus erythematosus, and are important, but not necessary or sufficient for diagnosing that condition. Such antibodies are present in 80% to 90% of SLE cases. They are also present in smaller fractions of patients with other rheumatic disorders, and in chronic ...

The Methylmalonic Acid (MMA) test is used in the diagnosis of acquired cobalamin (vitamin B12) deficiency in adults and to screen for inherited organic acidemia in neonates and infants. Elevated MMA in either blood or urine indicates vitamin B12 deficiency in adults, with MMA acting as a functional biomarker for vitamin B12 status.Serum methylmalonic acid (MMA) measurement is used to evaluate individuals with signs and symptoms associated with vitamin B 12 deficiency 1-7 or congenital methylmalonic academia. 8,9Synonyms: B12 Deficiency, Cobalamin Deficiency, Methylmalonate, MMA, Methylmalonic Aciduria Primary Code: X706961 | Secondary Code: L1008 Specimen Collection Criteria: Collect (Preferred): 1 Gold-top serum separator tube (SST).(Minimum Whole Blood: 0.6 mL) Also Acceptable: 1 plain Red-top tube or 1 Dark Green-top Heparin tube.(Minimum …This test is intended for use as an aid in the diagnosis of HIV-1 or HIV-2 infection, including acute or primary infection. Presence of HIV-1 or HIV-2 RNA in the plasma of patients without antibodies to HIV-1 or HIV-2 is indicative of acute or primary HIV-1 or HIV-2 infection. This assay may also be used as an additional test, when it is ... Methylmalonic Acid, Quantitative, Urine. Useful For. Evaluating children with signs and symptoms of methylmalonic acidemia using urine specimens. Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency. Method Name. LabCorp test: 716365 ( LabCorp ) Components: Creatinine (Crt), U, Methylmalonic Acid, U, MMA - Normalized. Methylmalonic Acid, Urine test cost is between $48.30 and …This test is set up in the Labcorp computer as a sequential series of tests to comply with customer needs and bill for testing that is performed. ... Reflex Table for Acid Fast Culture; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 183396: Organism ID by MALDI Rflx AST: 183403: Organism ID by MALDI: 76346-6: Reflex 2:The mucic acid test is used to identify the presence of the sugar galactose in food or in synthetics manufacture. When concentrated nitric acid is heated together with galactose, a...

Labcorp test details for Vitamin B12. Skip to main content Close Menu. Logins. Individuals ... and increased excretion of methylmalonic acid. 4,8,9 The impaired synthesis associated with vitamin B 12 deficiency causes macrocytic anemias. ... Result Code Result Code Name UofM Result LOINC; 001503: Vitamin B12: 2132-9: 001503: Vitamin B12: pg/mL:

Methylmalonic Acid, Serum. Test ID: Z0458. CPT code: 83921. LOINC: 13964-2. Specimen Type: Red, SST OR green-top (heparin) tube. Frequency: 3 – 6 days six working days after setup by performing lab. Instructions: 2 mL Serum or Plasma from Red, SST OR green-top (heparin) tube, Refrigerated, Separate within one hour. Labcorp test details for Calcitriol (1,25 di-OH Vitamin D) Humans get vitamin D from their normal diet, dietary supplements and from exposure to sunlight. 1-5 Ultraviolet B irradiation of the skin drives the conversion of 7-dehydrocholesterol to previtamin D 3, which is then rapidly converted to vitamin D 3. 1 Vitamin D from the skin and diet is further …Optimal Result: 0 - 19 mmol/mol creatinine. Interpret your laboratory results now. ... Homogentisic acid, also known as melanic acid, is an intermediate in the ...This test was developed and its performance special determined by Labcorp. It has not been free or approved on the Food also Drug Administration. Population View Values for Serum Methylmalonic Acid Concentrations and Inherent Relationship with Age, Sex, Race-Ethnicity, Supplement Use, Kidney Function and Serum Vitamin B12 in the Post-Folic Tart ...87-318 nmol/L. Homocysteine. Male. <11.4 umol/L. Female. <10.4 umol/L. Homocysteine is increased by functional deficiency of folate or vitamin B12. Testing for methylmalonic acid differentiates between these deficiencies. Other causes of increased homocysteine include renal failure, folate antagonists such as methotrexate and phenytoin, and ...Test Menu. We offer a wide-range of tests that ... A critical result is defined as a test result that represents ... Methylmalonic Acid · Microalbumin/Creatinine ...Test Menu. We offer a wide-range of tests that ... A critical result is defined as a test result that represents ... Methylmalonic Acid · Microalbumin/Creatinine ...

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Clinical Information. Elevated levels of methylmalonic acid (MMA) result from inherited defects of enzymes involved in MMA metabolism or inherited or acquired deficiencies of vitamin B12 (cobalamin) or its downstream metabolites. Acquired deficiencies of vitamin B12 are much more common and can be due to intestinal malabsorption, impaired ...Use. Detect bacterial pathogenic organisms in the stool; diagnose typhoid fever, enteric fever, bacillary dysentery, Salmonella infection. Indications for stool culture include: 1. • Bloody diarrhea. • Fever. • Tenesmus. • Severe or persistent symptoms. • Recent travel to a third world country.In this approach, a second-line assay (vitamin B12) falls in an "equivocal" range. It has been suggested that boarderline B12 levels (200-400 ng/L) should be followed up with measuring methylmalonic acid levels. Methylmalonic acid levels below the upper limit of the reference range (0-378 nmol/L) are strongly suggestive of normal B12 status.β-hydroxybutyrate is one of three sources of ketone bodies. Ketoacidosis in diabetes usually occurs with decreased plasma pH and bicarbonate, increased glucose, and other abnormalities. As ketoacidosis and metabolic acidosis are treated, hypokalemia may become evident. A normal or low potassium on admission with ketoacidosis may indicate ...Labcorp test details for Valproic Acid (Total+Free) Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 706499: Valproic Acid (Total+Free) 57775-9: 007260: Valproic Acid (Depakote)(R),S: ug/mL: 4086-5:Serum methylmalonic acid (MMA) measurement is used to evaluate individuals with signs and symptoms associated with vitamin B12 deficiency1-7 or congenital methylmalonic academia.8,9. This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration ...The LabCorp Test Menu is a page at LabCorp.com that allows users to search for laboratory tests, according to Laboratory Corporation of America. As of 2015, searches can be conduct...Test ID: MMA. Testing Facility: Reference Laboratory. Specimen Handling: SERUM 2 ML - REF. Test Name: METHYLMALONIC ACID, URINE. Test ID: MISC. Testing Facility ...An MMA test is most often used to diagnose a vitamin B12 deficiency. This test is also used to diagnose methylmalonic acidemia, a rare genetic disorder. Symptoms of this disorder can range from mild to severe and may include vomiting, dehydration, developmental delays, and intellectual disability. The test is usually included as part of a ... ….

Methylmalonic acidemia. E71.120 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2024 edition of ICD-10-CM E71.120 became effective on October 1, 2023. This is the American ICD-10-CM version of E71.120 - other international versions of ICD-10 E71.120 may differ.An MMA test is most often used to diagnose a vitamin B12 deficiency. This test is also used to diagnose methylmalonic acidemia, a rare genetic disorder. Symptoms of this disorder can range from mild to severe and may include vomiting, dehydration, developmental delays, and intellectual disability. The test is usually included as part of a ...Methylmalonic Acid. Order Name METHYLMA S Test Number: 2051075 Revision Date 12/12/2022 ... Labcorp Test Code: 706961: CPT Code(s) 83921: Lab Section: Reference LabGastrointestinal disease can be caused by many agents, including bacteria, viruses and parasites. Culture for bacteria will not pick up the viruses or parasites. Tests for parasites will not detect the viruses or the bacteria. This GI profile is a multiplexed nucleic acid test intended for the simultaneous qualitative detection and ...Nov 16, 2021 ... This test measures the amount of methylmalonic acid (MMA) in your blood or urine. MMA is a substance made in small amounts during metabolism.Additional Information. B-type natriuretic peptide (BNP), also referred to as brain natriuretic peptide, is a member of a family of structurally similar peptide hormones that includes atrial natriuretic peptide. 1 BNP is a 32-amino-acid peptide that contains a 17-amino-acid ring structure that is formed as the result of an internal disulfide bond. the reverse). In this approach, a second-line assay, Methylmalonic Acid (MMA), Serum or Plasma [706961], is performed when the outcome of the first-line assay falls in an “equivocal” range. It has been suggested that borderline B12 levels (200–400 ng/L) should be followed up with measuring MMA levels.5 MMA levels below the Sep 11, 2017 · Methylmalonic Acid, Urine (24-hour or Random) ... Performing Labcorp Test Code: 716365 : Notes: Labcorp Test Code: 716365: CPT Code(s) 83921: Lab Section: Reference Lab Labcorp test code for methylmalonic acid, The methylmalonic acid test is often used along with the vitamin B-12 test or to clarify ambiguous vitamin B-12 test results. The methylmalonic acid test may also be ordered if the results of other blood tests are abnormal. For instance, abnormal results from a homocysteine test may prompt your doctor to order the methylmalonic acid test., Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 019505: Uric Acid, Body Fluid: 53612-8: 019505: Uric Acid, Body Fluid: mg/dL , Methylmalonic Acid, Serum (Vitamin B 12 Deficiency) 0.00-0.40 µmol/L: Interpretive Data ... * Component test codes cannot be used to order tests. The information ..., MMA Blood. Test Code: 706961. Specimen Type: Blood. Description: Methylmalonic Acid Blood Test (Labcorp) A Methylmalonic Acid (MMA) Blood test is most often used to aid in …, ... ACID PHOSPHATASE, 96.00. 903, 792503, LB ACID PHOSPHATASE - PROSTATIC, 94.00. 904, 792504, LR ACTH ADRENOCORTICOTROPIC H. 304.00. 905, 792505, LB ACTIVATE ..., Labcorp is a leading provider of medical laboratory services, offering a wide range of tests and screenings for individuals seeking to monitor their health or diagnose potential me..., 0.0−14.9 mg/24 hours. If a borderline elevation of 5-HIAA is found, sample should be recollected following withdrawal of dietary and medication sources that might elevate 5-HIAA (see Patient Preparation). Nontropical sprue may cause a slight increase in urinary 5-HIAA. 5-HIAA levels are lowered by renal insufficiency and after small bowel ..., Specimen Collection Container/Tube: Red-top tube, gel-barrier tube OR green-top (heparin) tube: Volume: 2 mL: Minimum Volume: 0.6 mL (Note:This volume does NOT allow for repeat testing)., LabCorp of America. CPT: 83921. PDM: 5904430. Result Interpretation. 0−378 nmol/L Disclaimer: This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration. Forms, Get know how much does lab test cost: Baso(Absolute), Methylmalonic Acid, Serum or Plasma Direct access testing with or without insurance. ... LabCorp test: 706961 ... , Methylmalonic Acid (MMA), Urine-12-Hour Fasting Required: NoCPT Codes for this test: 83921 LabCorp's information for this test: Test Includes Creatini, Test Mnemonic. MMA. CPT Codes. 83921 - QTY (1) LOINC ® 13964-2. Aliases. MMA, Blood; Performing Laboratory. Cleveland Clinic Laboratories, This test allows for the detection of the presence of antibodies to glutamic acid decarboxylase, which provides early evidence of autoimmune disease activity; its measurement has been shown to be useful in assisting the physician in the prediction, diagnosis, and management of patients with diabetes. 2-6. Glutamic acid decarboxylase (GAD 65) is ..., Gastrointestinal disease can be caused by many agents, including bacteria, viruses and parasites. Culture for bacteria will not pick up the viruses or parasites. Tests for parasites will not detect the viruses or the bacteria. This GI profile is a multiplexed nucleic acid test intended for the simultaneous qualitative detection and ..., Coding tests have become a common part of job interviews for technical positions. Employers use these tests to assess a candidate’s coding skills, problem-solving abilities, and ov..., Methylmalonic Acid, Serum or Plasma. Test Code: 706961: Performing Lab: LABCORP: CPT Code: 83921 ... 0.6 mL (Note:This volume does NOT allow for repeat testing). Storage/Transport Temperature: Refrigerate: Specimen Handling: Separate serum or plasma from cells within one hour of collection. Specimen Type: Serum OR plasma:, Methylmalonic Acid, Serum. Test Code: LAB835 ... For current specimen requirement information use the link on the Labcorp Order Code below. , Serum methylmalonic acid (MMA) measurement is used to evaluate individuals with signs and symptoms associated with vitamin B12 deficiency or congenital methylmalonic …, labcorp-test-code-for-methylmalonic-acid 2 Downloaded from admissions.piedmont.edu on 2023-08-05 by guest Genetic Diseases of the Skin V. M. Der Kaloustian 2012-03-01 The two organs of the body most accessible to examination are the eye and the skin and its appendages. That is why, it is said, ophthalmological genetics is in such flourishing ..., Still looking for a good faith estimate? After entering your email address, you will receive a downloadable file containing test codes. If the test code you are looking for is not included in the emailed file and you are a self-pay patient, you can call 1.800.758.5016 Monday - Thursday, 8:30 AM – 5:00 PM and Friday, 8:30 AM – 4:00 PM Eastern Standard Time (EST) for assistance. , 1. INTRODUCTION. The first guidelines on isolated methylmalonic acidaemia (MMA) and propionic acidaemia (PA) were published in September 2014 and accessed over 53 000 times on the journal's website and cited 182 times according to Web of Science (July 2020). 1 The attention the guidelines received signifies the interest and …, Test Menu. We offer a wide-range of tests that ... A critical result is defined as a test result that represents ... Methylmalonic Acid · Microalbumin/Creatinine ..., Nov 16, 2021 ... This test measures the amount of methylmalonic acid (MMA) in your blood or urine. MMA is a substance made in small amounts during metabolism., This test allows for the detection of the presence of antibodies to glutamic acid decarboxylase, which provides early evidence of autoimmune disease activity; its measurement has been shown to be useful in assisting the physician in the prediction, diagnosis, and management of patients with diabetes. 2-6. Glutamic acid decarboxylase (GAD 65) is ..., Whenever I can’t quite figure out what a dish needs, the answer is usually acid. It simultaneously intensifies and balances flavors like nothing else—even when you can’t immediatel..., Gastrointestinal disease can be caused by many agents, including bacteria, viruses and parasites. Culture for bacteria will not pick up the viruses or parasites. Tests for parasites will not detect the viruses or the bacteria. This GI profile is a multiplexed nucleic acid test intended for the simultaneous qualitative detection and ..., This test measures the amount of a substance called methylmalonic acid (MMA) in your blood. MMA is typically made in tiny amounts when you digest protein. Your body makes large amounts of MMA if you have a drop in the amount of vitamin B-12. MMA is excreted through your kidneys. Your body needs B-12 to make red blood cells and to help your ... , Jul 13, 2021 ... Code Test / Test Code. (Dictionnaire MSSS) ... LabCorp/Dynacare (https://www.labcorp.com/) ... Combined Malonic And Methylmalonic Aciduria AR 614265., Get know how much does lab test cost: Baso(Absolute), Methylmalonic Acid, Serum or Plasma Direct access testing with or without insurance. ... LabCorp test: 706961 ..., 1. INTRODUCTION. The first guidelines on isolated methylmalonic acidaemia (MMA) and propionic acidaemia (PA) were published in September 2014 and accessed over 53 000 times on the journal's website and cited 182 times according to Web of Science (July 2020). 1 The attention the guidelines received signifies the interest and …, This test measures the amount of a substance called methylmalonic acid (MMA) in your blood. MMA is typically made in tiny amounts when you digest protein. Your body makes large amounts of MMA if you have a drop in the amount of vitamin B-12. MMA is excreted through your kidneys. Your body needs B-12 to make red blood cells and to help your ... , Methylmalonic Acid and Homocysteine. Test Code. 30517. CPT Code (s) 83090, 83921. CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering. Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order. Not offered in Quest Diagnostics Nichols Institute ... , Use. Intrinsic factor is a glycoprotein (produced by the parietal cells of the stomach) that is required for the absorption of vitamin B 12 from the diet. 1 During digestion, stomach acids dissociate B 12 from food and intrinsic factor binds to it and allows it to be absorbed in the small intestine. Conditions that impair intrinsic factor ...