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Test Code CPKMB (CK with MB) Creatine Phosphokinase (CPK) with CK-MB Fractionation, Plasma or Serum

Additional Test Codes

Epic Test ID

LAB63

Methodology

Chemiluminescent Immunoassay

Includes total CPK and CK-MB quantitation.

Performing Laboratory

Bronson Laboratory Services-Chemistry

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred

Specimen Type: Serum
Container/Tube: Gold top serum gel-Plain, red-top tube is also acceptable.
Specimen Volume: 5 mL

Specimen Minimum Volume: 1.5 mL

 

Alternate

Specimen Type: Plasma
Container/Tube: Green top (heparin)
Specimen Volume: 5 mL

Specimen Minimum Volume: 1.5 mL

Specimen Transport Temperature

Refrigerate

Reference Values

 

 

MALE:

 

   MB    (ng/ml)

TOTAL CK   (IU/L)

%MB INDEX

INTERPRETATION

 

<7.1

 

< 207

 

0 - 4.0

 

NORMAL

 

<7.1

 

< 207

 

over 4.0

 

NORMAL- Note: CPK and/or MB must be elevated for the interpretation to be abnormal. Elevation of MB/CPK index alone is not graded as abnormal. Correlation with other clinical findings is suggested.

 

ANY

 

>206

 

<4.0

 

CLINICAL CORRELATION RECOMMENDED

 

OVER 7.0

 

>206

 

>3.9

 

ABNORMAL, SUGGESTS CARDIAC ELEVATION

 

OVER 7.0

 

<207

 

>3.9

 

ABNORMAL, SUGGESTS CARDIAC ELEVATION

 

OVER 7.0

 

<207

 

<4.0

 

BORDERLINE; NOT ABLE TO INTERPRET.

 

FEMALE:

 

   MB    (ng/ml)

TOTAL CK   (IU/L)

%MB INDEX

INTERPRETATION

 

<6.1

 

< 173

 

0 - 4.0

 

NORMAL

 

<6.1

 

< 173

 

over 4.0

 

NORMAL- Note: CPK and/or MB must be elevated for the interpretation to be abnormal. Elevation of MB/CPK index alone is not graded as abnormal. Correlation with other clinical findings is suggested.

 

ANY

 

>172

 

<4.0

 

CLINICAL CORRELATION RECOMMENDED

 

OVER 6.0

 

>172

 

>3.9

 

ABNORMAL, SUGGESTS CARDIAC ELEVATION

 

OVER 6.0

 

<173

 

>3.9

 

ABNORMAL, SUGGESTS CARDIAC ELEVATION

 

OVER 6.0

 

<173

 

<4.0

 

BORDERLINE; NOT ABLE TO INTERPRET.

 

 

 

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82550-CPK, total

82553-CPK, MB fraction only