Intrinsic Factor Blocking Antibody

Test Code

568

CPT Code(s)

86340

Test Code

568

CPT Code(s)

86340

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Intrinsic Factor Blocking Antibody - Intrinsic Factor, produced by cells lining the stomach, binds Vitamin B12 (cyanocobalamin) to facilitate absorption of the vitamin. Blocking antibody impedes the action of Intrinsic Factor as observed in approximately half of the patients who develop pernicious anemia.

Test Resources

Test FAQ

Intrinsic Factor Blocking Antibody

Test Details

Methodology

Immunoassay (IA)

Reference Range(s)

Negative

Alternative Name(s)

IF-Blocking Antibody

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Immunoassay (IA)

Reference Range(s)

Negative

Alternative Name(s)

IF-Blocking Antibody

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.3 mL

Collection Instructions

Samples should not be collected from a patient who has received Vitamin B12 injection therapy within the last week

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.3 mL

Collection Instructions

Samples should not be collected from a patient who has received Vitamin B12 injection therapy within the last week

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Setup Schedule

Service Area must be determined

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Test Details

Clinical Significance

Test Resources

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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