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Epic Test Code LAB537 17-Hydroxycorticosteroids, Urine

Additional Codes

ARUP:0070490

Performing Location(s)

ARUP

Specimen Type

24-hour urine. Refrigerated during collection.

Also acceptable: Random urine.

Freeze within 15 minutes of collection, preservative not required. .

Preferred Container

24-hour urine

Minimum Volume

12 mL serum

Specimen Preparation

  • Transfer 12 mL aliquot of urine from a well-mixed 24-hour collection to ARUP Standard Transport Tubes.
  • Also acceptable: Specimens refrigerated with preservatives are acceptable. Sample pH must be 5.0 - 7.0. Mix well, add 1 g boric acid/100 mL urine, adjust pH (with boric acid) to 5.0-7.0 and freeze. Record total volume, collection time, and pH on transport tube and test request form.
  • Random specimens without preservative are acceptable if frozen within 15 minutes of collection. 

Transportation Needs

Frozen

Storage Requirements

Frozen

Specimen Stability

Ambient: 4 hours (with preservative)
Refrigerated: 1 week (with preservative)
Frozen: 1 month 

Causes for Rejection

Mislabeled or unlabeled specimen.
Less than 50% draw for Vacutainer tubes
Alkali preservatives (e.g. specimens previously preserved with NaOH). 

Reference Ranges

Components

Reference Interval

17 OH-Corticosteriods, Urine - mg/g CRT

2.0-6.5 mg/g crt

OH-Corticosteriods, Urine - per volume

4.0-14.0 mg/d

Creatinine, Urine - per 24h

Age

Male

Female

3-8 years

140-700 mg/d

140-700 mg/d

9-12 years

300-1300 mg/d

300-1300 mg/d

13-17 years

500-2300 mg/d

400-1600 mg/d

18-50 years

1000-2500 mg/d

700-1600 mg/d

51-80 years

800-2100 mg/d

500-1400 mg/d

81 years and older

600-2000 mg/d

400-1300 mg/d

Days of Analysis

Wed, Sat

Available STAT

No

Turnaround Time

3-7 days once recived into performing lab

Methodolgy

Quantitative Colorimetry

CPT Code

83491

Last Updated

12-Dec-18