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HelpTest Code LAB8093 APT Test, Fetal Hemoglobin, Feces
Additional Codes
LAB8093
Methodology
Dye
Performing Laboratory
St. Louis Children's Hospital - Hematology
Specimen Requirements
Specimen Type: BLOODY feces
Patient Prep: None
Container/Tube:
Preferred: Plastic, screw-capped container
Acceptable: Diaper or soiled bedding
Collection Volume: 1 gram
If specimen is soaked into diaper/bedding send article that specimen has soaked into.
Special Instructions:
Specimen must be grossly bloody (either pink or red).
Deliver specimen to lab promptly. DO NOT send thru pneumatic tube system.
Logistics
Day(s) Test Set Up: Monday-Sunday
Cut-off time: None; performed as received
Turnaround Time: Same day; 2 hours from receipt in performing lab
Reference Values
Reference Range: Negative (Indicates maternal blood was swallowed)
Critical Values: None established
Additional Information
For SLCH Laboratory use only
Lab Processing Instructions: DO NOT SPIN. Give all specimen to the technologist on Coag/UA bench.
Processed Volume: NA
Analyte Stability:
| Specimen Type | Temperature | Time |
|---|---|---|
| Bloody feces (unprocessed) | Ambient | 2 days |
| Refrigerated | 3 days | |
| Frozen | Unacceptable |
NOTES: Medical Director approval required for specimens received on patients >1 week old.
Limitations
- NA
Last Reviewed
07/2024
Test Classification and CPT Code
83033
LOINC
in process
Sample Rejection
Tarry or brown stool
Mislabeled or unlabeled specimen