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Hydroxycorticosteroids, 17-

Item Value
Approval req'd? No
Available Stat? No
Test code 17HS
Performed by Quest
Sendout? Yes
Method Modified Porter-Silber reaction
Collection Instructions Obtain container at Specimen Receiving. Refrigerate sample while collecting.
Container type 24 hour urine collection container

Click here for Urine Preservative Requirements
Amount to Collect Entire 24 hour urine output
Sample type 24 hour urine collection
Preferred volume 50 mL urine
Min. Volume 20 mL urine
UCSF Rejection Criteria Container not refrigerated during collection.
Processing notes Record total urine volume on test request and on vial containing aliquot. Order Quest # 15202X.

For B&T patients order LabCorp test # 004242.
Units mg/24 h
Normal range Reference ranges not established for infants < 1 year old.

Male & Female Normal Range
1-2 years 0.5 - 2.5 mg/24 hr
3-4 years 1.0- 4.0 mg/24hr
5-6 years 1.0 - 4.8 mg/24hr
7-8 years 1.0 - 5.6 mg/24hr
9-10 years 1.0 - 7.0 mg/24hr
11-12 years 1.5 - 8.0 mg/24hr


Age Male Female
13-16 years 2.0 - 6.0 mg/24hr 2.8 - 6.8 mg/24hr
17-20 years 3.0- 10.0 mg/24hr 2.0- 7.0 mg/24hr
> 20 years 3.0 -10.0 mg/24hr 2.0 - 6.0 mg/24hr
Synonyms 17-OHCS; Porter-Silber chromogens
Stability Room temperature 8 hours, refrigerated 1 week, frozen at -20C 1 month
Turn around times Performed 5x per week. Turnaround 4-6 days
Additional information To convert mg/d to µmol/d (SI units) multiply by 2.76 (based on MW of Cortisol).

Test includes creatinine as index of completeness of collection (see Creatinine).
CPT coding 82570-90, 83491-90
LOINC code 21036-9
Last Updated 3/24/2013 7:49:42 PM
Entry Number 540
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