CK Isoenzymes

Centralized Core Laboratory:Chemistry

Test ID/Workstation: CKISO CLEVE

Specimen Type: Blood

Tube Type: Gold top SST (serum separator tube, no anticoagulant)

Collection Volume: 5.0 mL (minimum 2.5 mL)

Cause for rejection: -

Storage: Frozen

Availability: Sent to reference lab

Methodology: Spectrophotometry; Electrophoresis

Special Instructions: Total CK should be > 100 U/L to provide meaningful isoenzyme results.

Remove serum from cells ASAP

CK-MB and CK-BB are temperature labile. Repeated freeze/thaw cycles destroy CK activity.


Lab/Phone: 330-543-8418

TAT: 3-4 days

Additional Info: Reference range:

Creatine Kinase:

Sex: Male; Age: 2-18 Years; Range: <175 U/L

Sex: Male; Age: >18 Years; Range: <195 U/L

Sex: Female; Age: 2-18 Years; Range: <152 U/L

Sex: Female; Age: >18 Years; Range: <170 U/L

%CKBB: Range: Not detected

%CKMB: Range: <4% of Total

%CKMM: Range: 97-100% of Total

CPT Code: 82550, 82552

Panel Includes: Creatine Kinase, % CKMB, % CKMM, % CKBB

Synonyms: -

Requisition Form
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