Sign in →

Test Code CK RF CKMB CK, REFLEX CK-MB 

Additional Codes

LAB13352

Collection Method

Lt Green / Plasma Separator / Lithium Heparin

Minimum Volume

0.5ml

Container

Venous collection

Acceptable Specimens

Serum:

  • Gold Top SST
  • Red Top


Plasma:

 

  • Light Geen Top (lithium heparin)

Reference or Target Ranges

CK Reference Range

 

Age Female
0 up to 21 Days 0-600 U/L
21 Days up to 3 Months 0-440 U/L
3 Months up to 6 Years 20-215 U/L
6 Years up to 8 Years 134-391 U/L
8 Years up to 15 Years 91-391 U/L
15 Years up to 18 Years 53-269 U/L
> 18 Years  38-176 U/L

 

 

Age Male
0 up to 21 Days 0-600 U/L
21 Days up to 3 Months 0-440 U/L
3 Months up to 6 Years 35-230 U/L
6 Years up to 8 Years 0-440 U/L
8 Years up to 12 Years 150-499 U/L
12 Years up to 18 Years 94-499 U/L
> 18 Years  44-196 U/L

 

CKMB Reference Range

Age Male Female
all ages <8.0 <5.0

Reportable Units

CK U/L
CKMB ng/mL

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold CK: 100 mg/dL
CKMB: 1000 mg/dL
Icterus Threshold CK: 60 mg/dL
CKMB: 34 mg/dL
Lipemia Threshold CK: 1000 mg/dL
CKMB: 1500 mg/dL
Other QNS, contaminated, improperly labled, improper specimen type

Specimen Stability

Ambient 4 hours
Refrigerated (4°C to 8°C) 8 hours
Frozen(-40°C to 0°C) 4 weeks

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availabilty Yes
Performing Bench CPH Chemistry
Methodology/Method Description Roche Cobas

CPT Codes

82550

Last review/edit date

March 2024