OCCULT BLOOD, GASTRIC

Test Code

GAOCB

Alias/See Also

Hemoccult

CPT Codes
82271

Includes

pH and occult blood findings

Preferred Specimen

Sterile Container

Minimum Volume

0.5 mL

Transport Temperature

Room temperature or refrigerate

Specimen Stability

15-30°C up to 24 hours
2-8°C up to 5 days

Methodology
Guiac

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory.

Reference Range

Component	Result
pH	1-7
Occult Blood	Negative

Clinical Significance

Gastroccult is a rapid screening test designed for detecting the presence of occult blood and determining the pH of gastric aspirate or vomitus. This test may aid in the diagnosis and management of various gastric conditions including trauma or antacid therapy.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NHM4 (Hematology, Miscellaneous)

Last Updated: June 8, 2023

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.