Ordering Recommendation

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

24-hour urine. Refrigerated during collection. Also acceptable: Random urine. Freeze within 15 minutes of collection, preservative not required. Reported as mg/L, no reference interval provided.

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.

Storage/Transport Temperature


Unacceptable Conditions

Alkali preservatives (e.g. specimens previously preserved with NaOH).


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


Quantitative Colorimetry


Wed, Sat


3-7 days

Reference Interval

Test Number
Reference Interval
  Creatinine, Urine - per 24h
Male (mg/d)
Female (mg/d)
3-8 years 140-700 140-700
9-12 years 300-1300 300-1300
13-17 years 500-2300 400-1600
18-50 years 1000-2500 700-1600
51-80 years 800-2100 500-1400
81 years and older 600-2000 400-1300

  17 OH-Corticosteroids, Urine - mg/g CRT 2.0-6.5 mg/g CRT
  17 OH-Corticosteroids, Urine - per 24h 4.0-14.0 mg/d

Interpretive Data

Per 24h calculations are provided to aid interpretation for collections with a duration of 24 hours and an average daily urine volume. For specimens with notable deviations in collection time or volume, ratios of analytes to a corresponding urine creatinine concentration may assist in result interpretation.

Compliance Category



Hotline History


CPT Codes



Component Test Code* Component Chart Name LOINC
0020207 Creatinine, Urine - per volume 2161-8
0020208 Creatinine, Urine - per 24h 2162-6
0097110 Total Volume 19153-6
0097111 Hours Collected 30211-7
0098254 17 OH-Corticosteroids, Urine - mg/g CRT 41404-5
0099195 17 OH-Corticosteroids, Urine - per 24h 21036-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.


  • 17-Hydroxycorticosteroids
  • 17-Ketogenic Steroid
  • Cortisol Free Urine
  • Free Urinary Cortisol
  • Urinary Free Cortisol
17-Hydroxycorticosteroids, Urine