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Test Code Billings Clinic: 8220 ARUP: 18 HYDRO 18-Hydroxycorticosterone, Serum

Performing Laboratory

ARUP Laboratories

Methodology

Quantitative Mass Spectrometry

Specimen Requirements

Collect:

  • Plain Red or Serum Separator Tube (SST).
  • Also acceptable: Lavender (EDTA) or Green (Sodium Heparin). 

 

Specimen Preparation:

  • Separate from cells within 1 hour of collection.
  • Transfer 3 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1 mL) 

 

Storage/Transport Temperature:

  • CRITICAL FROZEN. 
  • Separate specimens must be submitted when multiple tests are ordered. 

Storage/Stability

Specimen Type Temperature Time
Serum Ambient 24 hours
  Refrigerated 24 hours
  Frozen (preferred) 3 months

Reference Values

Reference values included with patient’s report.

Day(s) Test Set Up

Varies

Report Available in 3 - 16 days

Test Classification and CPT Coding

82542

LOINC Code Information

Reporting Name LOINC Code
18-Hydroxycorticosterone 1674-1