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Test Code N.CK CREATINE KINASE (CK)

Additional Codes

CK.1

Methodology

Automated Chemistry Analyzer

Specimen Requirements

Specimen Type: Serum or Plasma
Container/Tube: SST or Lithium Heparin
Specimen Volume: 1 mL (minimum 0.5)
Collection Instructions: 

  1. Allow specimen to clot completely if a serum tube (SST) was used.
  2. Separate serum (SST) or plasma (Lithium Heparin) from cells within 24 hours and transport refrigerated. If red top tube is collected, separate serum from cells within 2 hours and place in separate plastic tube.
  3. Properly label tube with patient's name, DOB, requisition number and type of tube, i.e. LiHep or NaHep etc.

Specimen Transport/Stability

Refrigerated: 7 days

Specimen Rejection

1. Exceeding stability requirements

2. Unlabeled/mislabeled specimen

 

Maximum Laboratory Time

24 to 48 hours

Reference Ranges

CK (CPK)                  U/L
       Female              29 - 168
       Male              29 - 200
  

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82550