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Test ID: ANST
Androstenedione, Serum

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Secondary ID A test code used for billing and in test definitions created prior to November 2011

9709

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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