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Back to Test Catalogue
Test ID: CKISO S

Creatine Kinase Isoenzymes (CK Isoenzymes) with Total CK, Serum

Test Overview

Clinical Utility

Useful in the evaluation of myocardial disease. Isoenzyme MM is found in skeletal muscle whereas isoenzyme MB is increased in recent myocardial (heart) damage.

Method

Electrophoresis - enzymatic

Result Included

Creatine Kinase Total; CK-BB; CK-MB; CK-MM

Aliases/Synonyms

CPK Isoenzymes; CK Electrophoresis; CK Isoenzymes Fractionation

Specimen

Specimen Type

Serum

Volume

Sample Volume

2.0 mL

Minimum Volume

1.0 mL

Collection & Handling

Handling Information

Separate and freeze immediately. Store and send frozen.

Stability

Ambient Refrigerated Frozen
Unacceptable 48 hours 14 days

If the specimen thaws, it is unsuitable for analysis.

Rejection Criteria

Criteria Specification
Hemolysis Present
Specimen Not frozen

Performance & Interpretation

Turnaround Time

6 days

Results

Name
Units
Reference Range
Conversion
  1. Creatine Kinase, Total
    U/L
    44 - 196
  2. CK-BB
    % of Total
    None Detected
  3. CK-MB
    % of Total
    <5
  4. CK-MM
    % of Total
    95 - 100

Referral Location

Out-of-Country

Interface & Setup

HL7 Interface Codes

Order Code Result Name Result Codes Units
CKISO S CREATINE KINASE, TOTAL 63139 U/L
CK-BB 63140 % of Total
CK-MB 63141 % of Total
CK-MM 63142 % of Total
INTERPRETATION 63143

Test Version

Last Updated

2019-12-24