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Test Code CK Creatine Kinase (CK), Serum or Plasma

Methodology

Kinetic Reaction

Specimen Requirements

Container/Tube:

Preferred: Lithium heparin (light green-top)

Acceptable: Serum Gel

 Draw blood, spin down and send 1 mL (pediatric:  0.2 mL) of plasma or serum.

Specimen Stability Information

 

Specimen Type

Temperature

Time

Plasma,lithium heparin / Serum

RT, spun

 2 days
 

Refrigerated,  spun

 7 days

 

Reference Values

Age Male (U/L) Female (U/L)
0-11 months 2-129 2-146
1-6 years 2-163 2-134
7-12 years 2-217 26-145
13-15  years 2-251 2-143
16-17 years 2-238 13-144
>17 years 38-174 26-140

 

Note:  Strenuous exercise or intramuscular injections may cause transient elevation of CK.

Reject Due To

 

Hemolysis

Mild:

Reject

Gross:

Reject

Lipemia

Mild:

ok

Gross:

ok

Icterus

Mild:

ok

Gross:

ok

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

82550

Performing Laboratory

Huntsville Hospital Laboratory/Madison Hospital Laboratory

LOINC Coding

Test Name LOINC Code

Creatine Kinase (CK), Serum or Plasma

 2157-6