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HelpTest Code CK CK or CREATINE KINASE
Additional Codes
LAB62
Performing Laboratory
Porter Hospital Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube: Tiger top, serum gel
Also Acceptable: Green top (Lithium Heparin)
Specimen Volume: Full tube, submit 0.6 mL serum
Specimen Minimum Volume: 0.3 mL
Collection Instructions:
1. Send specimen in original tube.
2. If there is a delay in transport of >1 hour, centrifuge tube.
3. Centrifuged samples are stable for:
• 5 days at 2-8 °C
NOTE: Hemolysis affects result. Please submit a non-hemolyzed sample.
Specimen Transport Temperature
Refrigerated
Test Classification and CPT Coding
82550
Test Schedule / Analytical Time / Test Priority / Turn Around Time
Daily / 24 hours / Available STAT / Routine - 4 hours
STAT - 60 minutes
Normal Reference Values
| 0 up to 18 Years | Female | See Note |
| 18 Years up to Unspecified | Female | 30-135 U/L |
| 0 up to 18 Years | Male | See Note |
| 18 Years up to Unspecified | Male | ≤250 U/L |
Critical Values
None