5-a-Dihydrotestosterone

Label Mnemonic:	DHTST
Epic code:	LAB7288
Downtime form:	Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Serum

Specimen Instructions:

Specimen is suggested to be drawn between 06:00 and 10:00 am.

Collection Medium:

Red top tube 5 mL (Clot Activator)

Minimum:

Preferred Minimum:  1 mL
Absolute Minimum: 0.6 mL

Rejection Criteria:

Hemolyzed or lipemic specimens.

Turn Around Time:

1-4 days upon receipt at reference laboratory

Reference Range:

Females
  Premature: 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
  Tanner Stage I: 1.0-64.3 pg/mL
  Tanner Stage II: 5.5-95.9 pg/mL
  Tanner Stage III: 11.4-158.3 pg/mL
  Tanner Stage IV & V: 18.7-193.8 pg/mL

Males
  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/mL
  Tanner Stage I: 1.0-47.6 pg/mL
  Tanner Stage II: 3.5-397.9 pg/mL
  Tanner Stage III: 14.8-574.6 pg/mL
  Tanner Stage IV & V: 44.9-511.8 pg/mL

Methodology:

Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry

CPT Code:

82642