Test ID: DHTS
Dihydrotestosterone, Serum
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Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.
Males
Cord blood: < or =100 pg/mL
< or =6 months: < or =1,200 pg/mL
Tanner Stages
| Mean | Age | Reference Range (pg/mL) |
| Stage I (>6 months and prepubertal) | 7.1 years | < or =50 |
| Stage II | 12.1 years | < or =200 |
| Stage III | 13.6 years | 80-330 |
| Stage IV | 15.1 years | 220-520 |
| Stage V | 18 years | 240-650 |
>19 years: 112-955 pg/mL
Females
Cord blood: < or =50 pg/mL
< or =6 months: < or =1,200 pg/mL
Tanner Stages
| Mean | Age | Reference Range (pg/mL) |
| Stage I (>6 months and prepubertal) | 7.1 years | < or =50 |
| Stage II | 10.5 years | < or =300 |
| Stage III | 11.6 years | < or =300 |
| Stage IV | 12.3 years | < or =300 |
| Stage V | 14.5 years | < or =300 |
20-55 years: < or =300 pg/mL
>55 years: < or =128 pg/mL
1. Pang S, Levine LS, Chow D, et al: Dihydrotestosterone and its relationship to testosterone in infancy and childhood. J Clin Endocrinol Metab 1979;48:821-826
2. Stanczyk FZ: Diagnosis of hyperandrogenism: biochemical criteria. Best Pract Res Clin Endocrinol Metab 2006;20(2):177-191
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