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Test Code Apt Test Stool APT Test, Fetal Hemoglobin, Feces

Additional Codes

LAB8093

Lab Dept

Core Lab

Performing Laboratory

St. Louis Children's Hospital

Specimen Requirements

Specimen Type: BLOODY feces
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.
Patient Preparation: None
Sample Rejection:

Tarry or brown stool.
Mislabeled or unlabeled specimens.
Special Instructions:

Specimen must be grossly bloody (either pink or red).
Send specimen to lab promptly.

Logistics

Day(s) Test Set Up: Monday-Sunday
Cut-off time: None; performed as received
Turnaround Time: Same day; 2 hours from receipt in lab
Lab Testing Section: Hematology

Interpretive

Reference Range: Negative (Indicates maternal blood was swallowed)
Critical Values: None established
Limitations: NA
Methodology: Dye

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:

Ambient: 2 days

Refrigerated: 3 days

Frozen: Unacceptable
NOTES: Medical Director approval required for specimens received on patients >1 week old.

General Information

EPIC order name: APT Test Stool  (EPIC Test # LAB8093)
Cerner order name: Apt Test Stool
CPT Codes: 83033
LOINC Value: NA
Synonyms:

Last Reviewed

June 2024