24-48 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:
83625-90 / 83615-90
Specimen Collection Details
Collection:
One 7.5 mL serum separator tube (SST).
Handling:
Allow to clot completely at ambient temperature. Separate serum from cells immediately.
Stability:
7 days ambient. Unstable refrigerated or frozen.
Standard Volume:
1 mL serum.
Minimum Volume:
0.6 mL serum.
Transport:
Ambient.
Comments:
Do not freeze or refrigerate. Hemolyzed specimens and serum which have not been separated from cells show elevated LD-1 and LD-2. LD-4 and LD-5 are labile at low temperatures and are erroneously low in samples that have been frozen.
Rejection Criteria:
Frozen, refrigerated or hemolyzed specimen; specimen collected with EDTA or potassium oxalate/sodium fluoride anticoagulants.
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