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Test ID: ANST
Androstenedione, Serum

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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.

PEDIATRICS*

Premature infants

26-28 weeks, day 4: 92-282 ng/dL

31-35 weeks, day 4: 80-446 ng/dL

Full-term infants

1-7 days: 20-290 ng/dL

1 month-1 year: <69 ng/dL

 

Males*

Tanner Stages

Age (Years)

Reference Range (ng/dL)

Stage I (prepubertal)

<9.8

<51

Stage II

9.8-14.5

31-65

Stage III

10.7-15.4

50-100

Stage IV

11.8-16.2

48-140

Stage V

12.8-17.3

65-210

 

Females*

Tanner Stages

Age (Years)

Reference Range (ng/dL)

Stage I (prepubertal)

<9.2

<51

Stage II

9.2-13.7

42-100

Stage III

10.0-14.4

80-190

Stage IV

10.7-15.6

77-225

Stage V

11.8-18.6

80-240

*Source: Androstenedione. In Pediatric Reference Ranges. Fourth edition. Edited by SJ Soldin, C Brugnara, EC Wong. Washington, DC, AACC Press, 2003, pp 32-34

 

ADULTS

Males: 40-150 ng/dL

Females: 30-200 ng/dL



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