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HelpTest Code LAB2389 Breath Test Fasting
Clinical System Name
Breath Test Fasting
Sample Requirements
Specimen: Breath
Container(s):
Preferred Vol:
Minimum Vol:
Note: Patients must be off antibiotics for 2 weeks and should fast 10 hours prior to test. A 6 hour fast is acceptable for infants who cannot fast 10 hours.
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M, W, Th, day shift | 1 d |
Test must be scheduled with chemistry lab (206) 987-3860.
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem East
Phone Number: (206) 987-3860
CPT Codes
91065
Methodology
Method: Gas Chromatography
Analytical Volume:
Limitations:
Reference Range
| Hydrogen | Methane | |
|---|---|---|
| Fasting alveolar air | ||
| Bacterial overgrowth or residual fiber in colon | < 20 ppm | < 10 ppm |
Description
This test must be scheduled in advance with the Chemistry Lab. (206)987- 3860. Outside orders should be faxed to 206-985-3124. Patients must be off of antibiotics for two weeks and should fast for 10 h prior to test. A 6 h fast is acceptable for infants.