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Test & Collection Guide

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Creatine Kinase, MB Fraction

Ordering information:

No clinical use. Only available for CCU clinical trial.

Alternate names:

CKMB

Laboratory:

Referred Test

Specimen types:

Serum

Container types:

Serum tube with gel

Notes:

Cardiac Troponin T is a more sensitive and more specific marker of cardiac damage than CKMB. Troponin has largely replaced CKMB

Total CK is always assayed first. CKMB is not generally performed where Total CK is < 200 U/L, and is not indicated where Total CK is > 10,000 U/L

The CKMB (mass) assay is largely free from the non-specific reactions seen in the older enzyme-activity assays

Caution should be exercised in the diagnosis of myocardial damage where the total CK is very high, eg: > 5000 U/L.

Small amounts of CKMB may be found in skeletal muscle

Both percent and absolute levels of CKMB may exceed the quoted values

Only available for CCU clinical trial.

Frequency:

Daily

Reference Interval:

Laboratory Use Only

Accessing Results

EMR: Pathology results are available via EMR.

Auscare: If EMR is unavailable, results can be accessed through Auscare. Don’t have an Auscare login? Complete the Auscare User Form.

To access Auscare, see instructions.

Forms & Collection Guides

Consent Form – Non-Medicare Tests
For tests not covered by Medicare. Download Form

Pathology Request Form
Printable referral form for submitting pathology requests. Download Form.

Microbiology Swab Collection Guide
Step-by-step instructions for correct swab collection. Download Guide.

Preferred Order of Draw
Instructions to ensure accurate blood collection and results. View Instructions

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