Click here for more information about laboratory operations and procedures
Creatine, serum
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | CRTE |
| Test group | Creatine |
| Performed by | Quest |
| Sendout? | Yes |
| Method | Enzymatic |
| Patient Preparation | Overnight fasting preferred. |
| Collection Instructions | Bring samples to laboratory immediately for processing. |
| Container type | Red top or Gold top |
| Amount to Collect | 5 mL blood |
| Sample type | Serum |
| Preferred volume | 2 mL serum |
| Min. Volume | 0.8 mL |
| UCSF Rejection Criteria | Received > 2 hours after collection. |
| Processing notes | Centrifuge and separate serum from cells within 4 hours of collection. Freeze serum at -70C and transport on dry ice to China Basin |
| Ref Lab Rejection Criteria | Received unfrozen. |
| Units | mg/dL |
| Normal range | ≤ 1.0 mg/dL |
| Stability | Room temperature 4 hours, refrigerated 24 hours, frozen at -70C 1 month. |
| Turn around times | Set up 2x per week. Turnaround time 4-8 days |
| CPT coding | 82540-90 |
| LOINC code | 2148-5 |
| Last Updated | 10/2/2010 11:51:40 AM |
| Entry Number | 262 |
If you have additional questions regarding this test, please call: 415-353-1667