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HelpTest Code CK Creatine Kinase (CK)
Specimen Requirements
Submit only one of the followings
Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0mL
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
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Acceptable
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5mL
Minimum Volume: 0.5mL plasma
Collection Instructions: Centrifuge within 2 hours
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Serum/Plasma |
|---|---|
| Ambient: | 2 days |
| Refrigerate: | 7 days |
| Frozen: | 1 month |
Reference Interval
| Age | Male |
|---|---|
| 0 - 12 yrs | 68 - 293 U/L |
| 13 - 17 yrs | 80 - 354 U/L |
| 18 - 59 yrs | 45 - 250 U/L |
| ≥ 60 yrs | 40 - 200 U/L |
| Age | Female |
|---|---|
| 0 - 12 yrs | 68 - 293 U/L |
| 13 - 17 yrs | 48 - 200 U/L |
| ≥ 18 yrs | 30 - 150 U/L |
Days and Times Performed
24 hours, TAT 1 day
Methodology
NAC (N-acetyl-L-cysteine)
Service Code
31051
Update
Last updated 26/02/2022
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Evaluation and monitoring disorders of skeletal and cardiac muscle