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HelpTest Code LAB2688 17-Hydroxypregnenolone, Post Stim
Clinical System Name
17-Hydroxypregnenolone, Post Stim
Sample Requirements
Specimen: Whole Blood
Container(s): Gold SST or Red or Lavender/EDTA or Dark Green/Sodium Heparin
Preferred Vol: 2.0 mL
Minimum Vol: 1.0 mL
Note: Send to lab ASAP.
Processing Instructions
Reject due to: Specimen not frozen within two hours of collection.
Spin: Y
Aliquot: Y
Temp: -20 C
Storage location: CRITICAL FROZEN. Separate within TWO hours of collection. Make two aliquots of 0.25 - 0.5 mL serum or plasma each then freeze promptly.
Off-site collection:
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum or Plasma | Room temp |
Unacceptable |
| Refrigerated |
Unacceptable |
|
| Frozen |
6 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M - F | 3 - 6 d |
Performing Laboratory
ARUP Laboratories
500 Chipeta Way
Salt Lake City, UT 84108-1221
Phone Number: (800) 522-2787
Department
Department: Send Outs
Phone: (206) 987-2563
CPT Codes
84143
Methodology
Method: Qualitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Analytical Volume: 0.25 mL Serum or Plasma
Limitations:
Reference Range
| Age | Female | Male |
| Premature (26-28 weeks) | 1219-9799 ng/dL | 1219-9799 ng/dL |
| Premature (29-36 weeks) | 346-891l ng/dL | 346-891l ng/dL |
| Full Term (1-5 months) | 229-3104 ng/dL | 229-3104 ng/dL |
| 6-12 months | less than or equal to 917ng/dL | less than or equal to 917ng/dL |
| 13-23 months | less than or equal to 592 ng/dL | less than or equal to 592 ng/dL |
| 2-4 years | less than or equal to 280 ng/dL | less than or equal to 249 ng/dL |
| 5-6 years | less than or equal to 350 ng/dL | less than or equal to 319 ng/dL |
| 7-9 years | less than or equal to 212 ng/dL | less than or equal to 187 ng/dL |
| 10-12 years | less than or equal to 398 ng/dL | less than or equal to 392 ng/dL |
| 13-15 years | less than or equal to 407 ng/dL | 35-465 ng/dL |
| 16-17 years | less than or equal to 423 ng/dL | 32-478 ng/dL |
| 18 years and older | Less than 226 ng/dL | Less than 442 ng/dL |
| Tanner Stage I | less than or equal to 235 ng/dL | less than or equal to 208 ng/dL |
| Tanner Stage II | less than or equal to 367 ng/dL | less than or equal to 355 ng/dL |
| Tanner Stage III | less than or equal to 430 ng/dL | less than or equal to 450 ng/dL |
| Tanner Stage IV-V | less than or equal to 412 ng/dL | 35-478 ng/dL |
Send Out Instructions
| Reference Test Name: | 17-Hydroxypregnenolone Quantitative by LC-MS/MS, Serum or Plasma |
| Reference Lab Test Code: | |
| Instructions: |
Send out Monday through Friday with ARUP courier. |