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Alias Names: DHT
Methodology: High Performance Liquid Chromatography / Tandem Mass Spectrometry (HPLC/MS/MS)
Edit Date: 5/17/2010
Performed: Monday, Wednesday, Saturday
Released: 1-4 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 82651-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Collect specimen between 6 a.m. and 10 a.m.
Handling: Allow to clot, centrifuge and separate serum into a plastic vial. Freeze.
Stability: After separation from cells: 2 hours ambient, 24 hours refrigerated, or 6 months frozen.
Standard Volume: 1 mL serum
Minimum Volume: 0.6 mL serum
Transport: Frozen on dry ice.
Rejection Criteria: Hemolyzed or lipemic specimen.

Reference Range:
Males Females
Premature 100.0-530.0 pg/mL Premature 20.0-130.0 pg/mL
Full Term 50.0-600.0 pg/mL Full Term: 20.0-150.0 pg/mL
1 week-6 months 120.0-850.0 pg/mL 1 week-9 years 0.0-49.9 pg/mL
7 months-9 years 0.0-49.9 pg/mL 10-19 years 50.0-170.0 pg/mL
10-19 years 0.0-533.0 pg/mL 20 and older 24.0-208.0 pg/mL
20 years and older 106.0-719.0 pg/mL

PeaceHealth Laboratories