Lab Manual for Moffitt-Long and Mount Zion
Internal Resources
Tartrate Resistant Acid Phosphatase
| Item |
Value |
| Approval req'd? |
No |
| Available Stat? |
No |
| Test code |
TRAPE |
| Performed by |
Quest |
| Sendout? |
Yes |
| Patient Preparation |
An 12 hour fast before specimen collection is required. |
| Container type |
Gold top, Red top |
| Amount to Collect |
2 mL blood |
| Sample type |
Serum |
| Preferred volume |
1 mL serum |
| Min. Volume |
0.5 mL serum |
| Units |
U/L |
| Normal range |
3.0-6.0 U/L |
| Synonyms |
mycosis fungoides; TRAP; ; Hairy cell leukemia |
| Additional information |
Tartrate Resistant Acid Phosphatase (TRAP) is useful in diagnosing Hairy Cell Leukemia since the malignant cells contain an acid phosphatase that is resistant to inhibition by L-tartrate. Approximately 5-10% of patients with Hairy Cell Leukemia test TRAP negative by cytochemical methodology |