Test Code CK Creatine Kinase

Additional Codes

LAB62

Collection Method

Venous collection

Minimum Volume

0.5ml

Container

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimens

Serum:

Gold Top SST
Red Top

Plasma:

Light Geen Top (lithium heparin)

Reference or Target Ranges

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

Reportable Units

U/L

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold	100 mg/dL
Icterus Threshold	60 mg/dL
Lipemia Threshold	1000 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