Laboratory Services

Creatine Kinase

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Updated Test Information:

Test Description
Creatine Kinase
Synonym(s)
CK
Test ID
CK
General Information
Test for acute myocardial infarct and for skeletal muscular damage; elevated in some patients with myxedema (hypothyroidism), malignant hyperthermia syndrome, and muscular dystrophy.
Specimen Type
Serum
Alternate Specimen Type
Red, Li-heparin plasma, K2EDTA
Specimen Requirements
SST
Specimen Collection / Processing Instructions
SST - Separate serum or plasma from cells within 45 minutes of collection.
Additional Processing Details
Separate serum or plasma from cells within 45 minutes of collection.
Stability
2 days at 20-25°C
7 days at 4-8°C
4 weeks at -20°C
Unacceptable Specimen Conditions
Hemolyzed samples
Methodology
UV test
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
82550
Minimum Sample Volume
1 mL
Pediatric Min. Volume (if applicable)
500 uL
Reference Range
Adult Males >19 yrs: 20-200 U/L
Adult Females > 19 yrs: 20-180 U/L
Performing Lab
Incyte Diagnostics
LOINC Code(s)
2157-6