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Test Code CAH 21Hyd CAH Panel, 21-Hydroxylase Deficiency

Additional Codes

CAH21H PO (Post Stim)

Clinical System Name

CAH Panel, 21-Hydroxylase Deficiency

Synonyms

CAH Panel, 21-Hydroxylase Def Post Stim

17-Hydroxypregnenolone (CAH 21 Hydroxylase Deficiency Panel)

17-Hydroxyprogesterone (CAH 21 Hydroxylase Deficiency Panel)

Androstenedione (CAH 21 Hydroxylase Deficiency Panel)

Dehydroepiandrosterone (DHEA) (CAH 21 Hydroxylase Deficiency Panel)

 

Description

This panel includes Androstenedione, 17-Hydroxyprogesterone, 17-Hydroxypregnenolone, and Dehydroepiandrosterone performed by LC/MS/MS. 

 

Sample Requirements

Specimen: Whole blood

Container(s): Gold SST, Red, Dark Green/Sodium Heparin, or Lavender/EDTA

Preferred Vol: 4 mL

Minimum Vol: 2 mL

 

Note: Deliver to CPA within 30 minutes of collection.

Processing Instructions

Reject due to: Room temperature or refrigerated

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: CRITICAL FROZEN. Separate and aliquot 1 - 2 mL serum or plasma from cells within TWO hours of collection. Place sample in the CPA -20 freezer, Send Outs rack.

 

Off-site collection: Separate serum or plasma from cells within TWO hours of collection. CRITICAL FROZEN.

Stability

Specimen Type Temperature Time
Serum or Plasma Room Temp

Unacceptable 

  Refrigerated

Unacceptable 

  Frozen

6 m

 

Availability

STAT Performed TAT
N Daily 1 - 4 d

 

Performing Laboratory

ARUP Laboratories

500 Chipeta Way
Salt Lake City, UT 84108-1221

 

Phone Number: (800) 522-2787

Department

Department: Send Outs

 

Phone Number: (206) 987-2563

Reference Range

Reference values provided with patient report.

Methodology

Method: Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry

Analytical Volume: 0.9 mL Serum or Plasma

Limitations:

CPT Codes

82157

83498

84143

82626

Send Out Instructions

Reference Test Name: Congenital Adrenal Hyperplasia Panel, 21-Hydroxylase Deficiency
Reference Test Number:

2002283

Instructions:

Send out Monday - Friday with the ARUP courier.