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Test Code APAR Parietal Cell Antibodies, IgG, Serum

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Reporting Name

Parietal Cell Ab, IgG, S

Useful For

Evaluating patients suspected of having pernicious anemia or autoimmune-mediated deficiency of vitamin B12 with or without megaloblastic anemia


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.4 mL

Specimen Type

Serum

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 21 days
  Frozen  21 days

Day(s) Performed

Tuesday, Friday

Reference Values

Negative: ≤20.0 Units

Equivocal: 20.1-24.9 Units

Positive: ≥25.0 Units 

Reference values apply to all ages.

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

CPT Code Information

83516

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PCAB Parietal Cell Ab, IgG, S 40960-7

 

Result ID Test Result Name Result LOINC Value
PCAB Parietal Cell Ab, IgG, S 40960-7

Report Available

2 to 4 days