Micronutrient, Vitamin B12

Test code

10194

CPT code(s)*

82607

**CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano | Quest Nichols Institute -San Juan Capistrano, CA. Please provide Service Area Information to find available tests you can order.

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Clinical significance

Micronutrient, Vitamin B12 - B12 is decreased in pernicious anemia, total or partial gastrectomy, malabsorption and certain congenital and biochemical disorders.

Test resources

None found for this test
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Details

Test details

Methodology

Immunoassay (IA)

Specimen requirements
Patient preparation	None Specified
Preferred specimen(s)	1 mL serum
Alternative specimen(s)	Amber vial
Minimum volume	0.5 mL
Collection instructions	Patients should be 18 years of age or greater
Transport container	Transport tube
Transport temperature	Room temperature
Specimen stability	Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days
Reject criteria	Hemolysis

Reference range(s)

Reference Range(s)

≥18 years

200-1100 pg/mL

Reference range not available for individuals <18 years for this micronutrient test.

LOINC® codes

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Service Area Information

Performing lab & setup schedule

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Service Area Information

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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