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Test Name:
5-a-Dihydrotestosterone, Serum
- SBMF No:
44879 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
DHT TMS - ABN:
Not required - CPT Code:
82651 - LOINC Code:
19146-0 - Ref Lab Test No:
2002349 - Also Known As:
5-Alpha-Dihydrotestosterone
5-Alpha-DHT
Allodihydrotestosterone
Androstanolone
DHT
Dihydrotestosterone - Spec Type:
Serum - Spec Container:
Gold top (SST) or Red top (serum) tube - Pref Vol:
1.0 mL - Min Vol:
0.6 mL - Fasting:
No - Spec Collect:
Specimen should be collected between 6-10 a.m.
Routine venipuncture - Spec Process:
Clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum to separate plastic tube and freeze - Spec Store Transport:
Frozen - Spec Stability:
After separation from cells:
2 hours room temperature (20-30°C)
24 hours refrigerated (2-8°C)
6 months frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Hemolyzed or lipemic specimen - Spec Remarks:
Separate serum from cells ASAP or within 2 hours of collection - Methodology:
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) - Clinical Significance:
Refer to:
- Reference Range:
Males Females Premature: 100.0-530.0 pg/mL
Full Term: 50.0-600.0 pg/mL
1 week-6 months: 120.0-850.0 pg/mL
7 months-9 years: 0.0-49.9 pg/mL
10-19 years: 0.0-533.0 pg/mL
20 years and older: 106.0-719.0 pg/mLPremature: 20.0-130.0 pg/mL
Full Term: 20.0-150.0 pg/mL
1 week-9 years: 0.0-49.9 pg/mL
10-19 years: 50.0-170.0 pg/mL
20 and older: 24.0-208.0 pg/mL - Day Run:
Sun-Sat (daily) - Time Reported:
2-5 days - Test Type:
HORMONE
