Androstenedione
Label Mnemonic: ANDRO1
Epic Lab Code: LAB518
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Serum
Specimen Instructions:
Specimen should be collected between 6-10 a.m.
Collection Medium:
Red top tube 5 mL (Clot Activator)
Minimum:
Preferred Minimum: 1.0 mL serum
Absolute Minimum: 0.3 mL serum
Turn Around Time:
1-4 days upon receipt at reference laboratory
Reference Range:
Age Female Male Premature Infants, 26-28 weeks-Day 4 0.92-2.82 ng/mL 0.92-2.82 ng/mL Premature Infants, 31-35 weeks-Day 4 0.80-4.46 ng/mL 0.80-4.46 ng/mL Full-term Infants, 1-7 days 0.20-2.90 ng/mL 0.20-2.90 ng/mL 8-30 days 0.18-0.80 ng/mL 0.18-0.80 ng/mL 1-5 months 0.06-0.68 ng/mL 0.06-0.68 ng/mL 6-24 months Less than 0.15 ng/mL 0.03-0.15 ng/mL 2-3 years Less than 0.16 ng/mL Less than 0.11 ng/mL 4-5 years 0.02-0.21 ng/mL 0.02-0.17 ng/mL 6-7 years 0.02-0.28 ng/mL 0.01-0.29 ng/mL 8-9 years 0.04-0.42 ng/mL 0.03-0.30 ng/mL 10-11 years 0.09-1.23 ng/mL 0.07-0.39 ng/mL 12-13 years 0.24-1.73 ng/mL 0.10-0.64 ng/mL 14-15 years 0.39-2.00 ng/mL 0.18-0.94 ng/mL 16-17 years 0.35-2.12 ng/mL 0.30-1.13 ng/mL 18-39 years 0.26-2.14 ng/mL 0.33-1.34 ng/mL 40 years and older 0.13-0.82 ng/mL 0.23-0.89 ng/mL Pre-menopausal 0.26-2.14 ng/mL Does Not Apply Postmenopausal 0.13-0.82 ng/mL Does Not Apply Tanner Stage I 0.05-0.51 ng/mL 0.04-0.32 ng/mL Tanner Stage II 0.15-1.37 ng/mL 0.08-0.48 ng/mL Tanner Stage III 0.37-2.24 ng/mL 0.14-0.87 ng/mL Tanner Stage IV-V 0.35-2.05 ng/mL 0.27-1.07 ng/mL
Comments:
This test aids in the investigation of virilizing endocrinopathies and in managing congenital adrenal hyperplasia in conjunction with other sex steroids. Not recommended for initial evaluation of polycystic ovarian syndrome.
Methodology:
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
CPT Code:
82157