Home
HelpTest Code CKMB Creatine Kinase-MB (CK-MB)
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
___________________________________________________________________________
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: | 8 hours |
| Refrigerate: | 72 hours (If serum specimen will be frozen, the specimen should be stored no longer than 24 hours at 2 to 8°C before being frozen.) |
| Frozen: | 30 days |
Reference Interval
| Male | ≤5.2 ug/L |
|---|---|
| Female | ≤3.1 ug/L |
Days and Times Performed
24 hours, TAT 1 day
Methodology
Chemiluminescent Immunoassay
Service Code
31052
Update
Last updated 23/05/2024
Updated on Methodology.
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Diagnosis of acute myocardial infarction.