PARIETAL CELL ANTIBODY

Test Code

LAB1489

Quest Code

15114

CPT Codes
83516

Preferred Specimen

1 mL serum

Minimum Volume

0.3 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Lipemia • Received room temperature

Methodology
Immunoassay (IA)

Setup Schedule

a.m. Tues, Thurs, Sat

Report Available

3-6 days

Reference Range

≤20.0 U		Negative
20.1-24.9 U		Equivocal
≥25.0 U		Positive

Clinical Significance

Gastric Parietal Cell Antibodies are found in 90% of patients with pernicious anemia. They are also found in autoimmune chronic atrophic gastritis preceding pernicious anemia. The antigenic target is the H+/K+ ATPase gastric proton pump responsible for parietal cell acid generation in the stomach.

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

Last Updated: August 13, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.