Parietal Cell Antibody, ELISA
Test Summary
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.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.3 mL
Instructions
Collect 1 mL serum from a red top (no additive) tube and place in a sterile, plastic, screw cap vial. Serum separator tube, plastic or glass is also accepted. Ship refrigerated (cold packs) only.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 8 hours
- Refrigerated: 14 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
1 mL Serum (Min0.3 mL) SST Glass; Refrigerated; -OR- 1 mL Serum (Min0.3 mL) SST Plastic; Refrigerated;
Unacceptable Specimens
Gross hemolysis • Lipemia
Order Code
APARI
EPIC (Premier) Code
LAB317
Includes
N/A
CPT Code
- 83516
Billing Code
- 670558
CPT Statement
Methodology
Immunoassay (IA)
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Department
Reference Testing
Reference Range
| ≤20.0 U | Negative | |
| 20.1-24.9 U | Equivocal | |
| ≥25.0 U | Positive | |
Setup Schedule / Expected Turnaround Time
Tuesday, Thursday, Saturday afternoon; Report available: 1 day
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.3 mL
Instructions
Collect 1 mL serum from a red top (no additive) tube and place in a sterile, plastic, screw cap vial. Serum separator tube, plastic or glass is also accepted. Ship refrigerated (cold packs) only.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 8 hours
- Refrigerated: 14 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
1 mL Serum (Min0.3 mL) SST Glass; Refrigerated; -OR- 1 mL Serum (Min0.3 mL) SST Plastic; Refrigerated;
Unacceptable Specimens
Gross hemolysis • Lipemia
Result Information
Methodology
Immunoassay (IA)
Testing Laboratory
N/A
Reference Range
| ≤20.0 U | Negative | |
| 20.1-24.9 U | Equivocal | |
| ≥25.0 U | Positive | |
Setup Schedule / Expected Turnaround Time
Tuesday, Thursday, Saturday afternoon; Report available: 1 day