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OCCULT BLOOD, BODY FLUID

Mnemonic

BF B

Synonym

Gastro Occult - Gastroccult - Occult Blood Gastric - BF Occult Blood

Guidelines

This test is specific for gastric or vomitus samples. No other body fluids are acceptable.

Specimen Collection Requirements

Collect

Either gastric aspirate obtained by nasogastric intubation or vomitus. Place 1 drop of material onto occult blood test area of sample card or place sample into clean plastic container and seal. 

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Sample card: Room temperature; Sample cup: Refrigerated

Rejection Criteria

Any specimen other than gastric fluid or vomitus, frozen specimen

Stability

Sample card: Room temperature, 4 days

Sample cup: Room temperature, 24 hours; Refrigerated, 5 days 

Testing Information

Note

Fecal Occult Blood cards are not interchangeable with Gastric Occult Blood cards.

Performed

7 days/week (Good Samaritan, Emanuel, Meridian Park, Salmon Creek)

Reported

24 hours

Method

Buffered guaiac

Reference Values

CPT Codes

82271

Last Updated: Thursday, January 5, 2017 03:40:26 AM


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