Tartrate Resistant Acid Phosphatase (TRAP) for Gaucher clinical drug monitoring
Label Mnemonic: GENTRAP
Epic Lab Code: LAB4129
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Serum
Specimen Instructions:
If not able to ship same day drawn, aliquot and store serum frozen prior to shipment. Please add a comment to Test Requisition that sample was stored frozen.
Collection Medium:
Red top tube 5 mL (Clot Activator)
Minimum:
Pediatric Minimum: 2 mL serum in red top tube.
Rejection Criteria:
Gross hemolysis; gross lipemia; quantity not sufficient for analysis; improper container; past viability window; unlabeled or mislabeled specimen.

Specimens not received at reference laboratory within 4 days of specimen collection; do not collect on Fridays, holidays, day before a holiday, or weekends.
Turn Around Time:
7-14 days upon receipt at reference laboratory
Reference Range:
3 - 10 IU/L
Comments:
The Tartrate Resistant Acid Phosphatase (TRAP) colorimetric enzyme assay uses p-nitrophenyl phosphate as subtrate.

Testing used for patients on Cerezyme (part of Gaucher Disease clinical drug monitoring including ACE, TRAP and CHITO.

Time and temperature sensitive. Specimens must be received by reference laboratory within 4 days of blood draw.
Methodology:
Colorimetric Enzyme Assay
CPT Code:
84060