Biomarkers · Chemical
Macro Type 2
- Primary unit
- %
- LOINC codes
- 26020-8
- Tests that measure Macro Type 2
- Labcorp 2
Tests
Check the catalog code, specimen, method and preparation for every test that measures Macro Type 2. Select up to five tests to compare them side by side.
Labcorp 2 tests
Panels that include this biomarker
Creatine Kinase (CK), Total Plus Isoenzymes 002154
6 analytes · Serum · Fasting not stated · Turnaround 3 - 6 days
Labcorp catalog pageMethod and collection
- Method
- Total: kinetic; isoenzymes: agarose gel electrophoresis with densitometry
- Preparation
- CK is most commonly elevated in acute myocardial infarction (AMI) in which it has its greatest usefulness. Collection of specimen at onset of symptoms to establish baseline values is needed. A patient at onset of AMI will have normal results, but some patients reach medical attention at or beyond CK peak. To support the diagnosis of AMI, three CK isoenzyme determinations have classically been recommended, one on admission, a second 12 hours after admission, a third 24 hours after admission. Another at 48 hours may be needed. CK-MB usually peaks between 15 and 20 hours after the onset of a myocardial infarction. Pappas summarizes current literature regarding timing as follows. In non-Q wave, incomplete occlusion, nontransmural MI, CK-MB peaks on the average 15 hours from onset. In Q wave (complete occlusion) (transmural) infarction, CK-MB average peak is 17 to 20 hours after onset of symptoms. He emphasizes the importance of a sample for CK-MB drawn 16 hours after onset.1 When increased CK-MB values have returned to normal, CK isoenzyme determinations are usually no longer required.
- Collection
- Submit two separate serum aliquots. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
- Reference notes
- See tables. Total CK (U/L) Age | Male | Female 0 to 7 d | 59-1111 | 55-777 8 to 30 d | 51−168 | 37−151 1 m to 1 y | 57−301 | 50−263 2 to 12 y | 53−229 | 45−198 13 to 17 y | 53−446 | 32−182 18 to 50 y | 49−439 | 32−182 51 to 80 y | 41–331 | 32–182 >80 y | 30–208 | 26–161 CK Isoenzymes (Male/Female) Macro type 2 | Not observed CK-MM | 97% to 100% Macro type 1 | Not observed CK-MB | 0% to 3% CK-BB | 0%
Creatine Kinase (CK) and Lactate Dehydrogenase (LD), Totals and Isoenzymes 001859
12 analytes · Serum · Fasting not stated · Turnaround 4 - 7 days
Labcorp catalog pageMethod and collection
- Method
- Total: kinetic; Isoenzymes: agarose gel electrophoresis with densitometry
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2 tests: codes, specimens, methods, preparation and reference intervals.
LOINC 26020-8
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Macro Type 2
Registered studies that measure Macro Type 2, on the U.S. National Library of Medicine registry.
Verify these ranges and sources
We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.
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