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Creatine Kinase (CK), Plasma or Serum
Test Code395
CPT Codes
82550
Preferred Specimen
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Separate plasma from cells immediately.
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Separate plasma from cells immediately.
Note: 1. Indicate serum. 2. Label specimen appropriately (serum).
Transport Temperature
Refrigerate
Methodology
Enzymatic, 340 nm, 37° C
Setup Schedule
Monday through Sunday
Reference Range
Males
1-30 days: 20-600 U/L
1-2 months: 25-300 U/L
>=3 months: 39-308 U/L
Females
1-30 days: 20-600 U/L
1-2 months: 25-300 U/L
>=3 months: 26-192 U/L
Note: Strenuous exercise or intramuscular injections may cause transient elevation of CK.
1-30 days: 20-600 U/L
1-2 months: 25-300 U/L
>=3 months: 39-308 U/L
Females
1-30 days: 20-600 U/L
1-2 months: 25-300 U/L
>=3 months: 26-192 U/L
Note: Strenuous exercise or intramuscular injections may cause transient elevation of CK.
Performed By
CoxHealth
