Creatine Kinase (Total)

Pathology category

Biochemistry

Code

CK

Referral code

Request form

Test information

Used to assess muscle damage. Can be used for both skeletal and cardiac muscle damage.

Guidelines

Pre-analytical

Reference range

Male: 40-320 U/L
Female: 25-200 U/L

Source: Pathology harmony ranges

Tube type

Tube type info

Adults: 5ml Serum SST (gold top)

Paediatrics: 0.5ml lithium/heparin (orange top)

Special requirements

Minimum volume

Adults: 1 ml

Paediatrics: 0.1 ml

Assay frequency

Run daily at local laboratory

TAT Inpatient (urgent)

1.5 hrs

TAT Inpatient

4 hrs

TAT GP/Outpatient

24 hrs

Referral lab

Local, Clinical Biochemistry