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Test Code HPSA Helicobacter pylori antigen, fecal

Important Note

• For test of cure, collect stool at least 4 weeks after completion of therapy
• Avoid antibiotics, proton pump inhibitors (PPIs), and bismuth-containing medications for 14 days prior to collection, when clinically appropriate.
• Do not submit stool in formalin-based or alcohol-based fixatives

Specimen Type

Stool

Preferred Collection Container

Sterile container

Collection Instructions

Place stool in sterile container, Cary Blair, or C&S media

Collection Volume

2 mL

Minimum Collection Volume

1 mL

Testing Volume

1 mL

Rejection Criteria

Formalin-based or alcohol-based fixatives, concentrated fecal specimens

Specimen Storage and Stability

Ambient: fresh unprserved stool, stool in Cary Blair or C&S media- 4 days

Refigerated: fresh unprserved stool, stool in Cary Blair or C&S media- 4 days

Frozen: 14 days for unpreserved sample

Day(s) and Time(s) Performed

Sunday through Saturday

EPIC Code

LAB397B

Acceptable Collection Container

Cary Blair or C&S

Patient Preparation

Avoid antibiotics, proton pump inhibitors (PPIs), and bismuth-containing medications for 14 days prior to collection, when clinically appropriate.

Transport

Ambient or refrigerated

STAT Availability

No

Turn Around Time

1 day

Lab Department

Microbiology

CPT

87338

Methodology

Enzyme Immunoassay

Test Alias

H. pylori antigen