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a2 | 24755

Androstenedione (LCMS)

Keywords:
17-Ketotestosterone
4-Androstene-3.17-dione
4-Androstenedione
A4
ASD
delta-4-Androstene-3.17-dione
delta-4-Androstenedione

Status

Material
Serum Serum gel tube, golden (1)
Hint
Morning sample (ideally 07:00 -10:00 h), circadian rhythm with peak values in the morning.
Min. volume 500 µL
Stability
Stability
1 day / 18-25°C; 4 days / 2-8°C; 1 year / -20°C
Duration 2 - 4 days
Frequency 5 x per week (monday - friday)
Method Liquid chromatography / mass spectrometry (LCMS)

Price/Rate

Price
Price
CHF 27.00
Rate
Rate
27.00 TP

Reference values

Value and unit Age and unit Sex
< 9.75 nmol/L 1 - 7 D f+m
< 1.79 nmol/L 8 - 30 D f+m
< 1.30 nmol/L 1 - 11 M f+m
0.09 - 0.52 nmol/L 1 - 1 Y f+m
< 0.57 nmol/L 2 - 3 Y f
0.07 - 0.73 nmol/L 4 - 5 Y f
0.07 - 0.98 nmol/L 6 - 6 Y f
0.14 - 1.47 nmol/L 7 - 9 Y f
0.31 - 0.80 nmol/L 10 - 11 Y f
0.84 - 6.04 nmol/L 12 - 13 Y f
1.36 - 6.98 nmol/L 14 - 15 Y f
1.22 - 7.40 nmol/L 16 - 18 Y f
1.61 - 7.46 nmol/L 19 - 29 Y f
1.20 - 6.00 nmol/L 30 - 39 Y f
0.89 - 4.77 nmol/L 40 - 49 Y f
0.66 - 3.79 nmol/L 50 - 59 Y f
0.52 - 3.04 nmol/L 60 - 69 Y f
0.48 - 2.52 nmol/L 70 - 80 Y f
< 0.39 nmol/L 2 - 3 Y m
0.08 - 0.59 nmol/L 4 - 5 Y m
< 1.02 nmol/L 6 - 6 Y m
0.10 - 1.05 nmol/L 7 - 9 Y m
0.24 - 1.36 nmol/L 10 - 11 Y m
0.35 - 2.23 nmol/L 12 - 13 Y m
0.63 - 3.28 nmol/L 14 - 15 Y m
1.05 - 3.95 nmol/L 16 - 17 Y m
1.15 - 4.68 nmol/L 18 - 40 Y m
0.80 - 3.11 nmol/L >= 41 Y m
:Puberty stages nmol/L 1 - 19 Y f
:according to Tanner: nmol/L 1 - 19 Y f
P1:0.16-1.78 nmol/L 1 - 19 Y f
P2:0.52-4.78 nmol/L 1 - 19 Y f
P3:1.29-7.82 nmol/L 1 - 19 Y f
P4-5:1.22-7.16 nmol/L 1 - 19 Y f
Post-menop.:0.45-2.86 nmol/L >= 40 Y f
:Puberty stages nmol/L 1 - 19 Y m
:according to Tanner: nmol/L 1 - 19 Y m
P1:0.12-1.12 nmol/L 1 - 19 Y m
P2:0.28-1.68 nmol/L 1 - 19 Y m
P3:0.49-3.04 nmol/L 1 - 19 Y m
P4-5:0.94-3.74 nmol/L 1 - 19 Y m

Consultants