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HelpTest Code LAB9785 APT Test, Fetal Hemoglobin, Gastric
Performing Laboratory
St. Louis Children's Hospital - Hematology
Specimen Requirements
Specimen Type: BLOODY emesis (vomit) or aspirate
Patient Preparation: None
Container/Tube:
Preferred: Plastic, screw-capped container
Acceptable: soiled bedding
Collection Volume: 1.0 mL
If specimen has soaked into 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
Sample Rejection
Mislabeled or unlabeled specimen
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
Methodology
Dye
Limitations
- NA
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: 1.0 mL
Analyte Stability:
| Specimen Type | Temperature | Time |
|---|---|---|
| Bloody emisis (unprocessed) | Ambient | NA |
| Refrigerated | NA | |
| Frozen | Unacceptable |
NOTES: Medical Director approval required for specimens received on patients >1 week old.
LOINC
in process
Last Reviewed
07/2024
Test Classification and CPT Coding
83033