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Help17 Alpha-Hydroxyprogesterone
Collection Requirements
Source: blood
Container: Red
Volume: 3 mL in vacutainer
Turn Around Time
3-7 days
Testing performed Monday and Thursday
Specimen must be received in the Toxicology Lab by 0700 to be
included in the batch.
Availability
Routine
Lab Processing Instructions
Specimen: serum
Spin, separate, and freeze
Performing Laboratory
Adele Hall
Adele Hall Lab Section
Toxicology
Instrumentation/Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
Reference Ranges
PREMATURE INFANTS
| Gestational Age | Reference Range (ng/dL) |
|---|---|
| 26-28 weeks, day 4 | 124 - 841 |
| 31-35 weeks, day 4 | 26 - 568 |
FULL TERM INFANTS
| Age | Reference Range (ng/dL) |
|---|---|
| Day 3 | <78 |
| 1-11 months (Male) |
Levels increase after the first week to values ranging from 40 – 200 between 30 and 60 days. Levels then decline to a prepubertal value of <91 before one year. |
| 1-11 months (Female) | 13 - 106 |
PREPUBERTAL CHILDREN
| Age (years) | Reference Range (ng/dL) |
|---|---|
| 1-10 (Male) | <91 |
| 1-9 (Female) | <91 |
PUBERTY
| Age (years) | Reference Range (ng/dL) | Mean (ng/dL) | |
|---|---|---|---|
| Tanner Stage (Male) | |||
| I | <9.8 | <91 | 38 |
| II | 9.8 - 14.5 | <116 | 51 |
| III | 10.7-15.4 | 10 - 138 | 57 |
| IV | 11.8 - 16.2 | 29 - 180 | 80 |
| V | 12.8 - 17.3 | 24 - 175 | 97 |
| Tanner Stage (Female) | |||
| I | <9.2 | <83 | 31 |
| II | 9.2 - 13.7 | 11 - 98 | 49 |
| III | 10.0 - 14.4 | 11 - 155 | 70 |
| IV | 10.7 - 15.6 | 18 - 230 | 91 |
| V | 11.8 - 18.6 | 20 - 265 | 108 |
ADULTS
| Sex | Reference Range (ng/dL) |
|---|---|
| Male | 27 - 199 |
| Female (Follicular) | 15 - 70 |
| Female (Luteal) | 23 - 29 |
CPT
83498