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Lab Test Dictionary

17-Hydroxycorticosteroids & 17-Ketosteroids, 24 Hour Urine (15203X)


Colorimetric (C)

Specimen Type

Urine, Timed Collection

Performing Lab

Quest Diagnostics Chantilly

Epic ID

Other Reference Test

Lab Test Days

2 Days a week

Standard TAT

1 Day

Collection Information

Specimen Required

20-40 mL 24 Hour Urine

Container Type

24-Hour Urine Container

Collection Instructions

Collect with 10 grams Boric Acid during collection to maintain pH below 7.5. Boric Acid tablets are located in the send out cupboard in the lab. Keep refrigerated during collection.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 8 Hours; Refrigerated: 7 Days; Frozen: 30 Days

Test Volume Required

40 mL 24 Hour Urine

Minimum Test Volume

20 mL 24 Hour Urine

Processing Instructions

Specimen must have been collected with Boric Acid during collection to maintain pH below 7.5.

CPT Codes

83491, 83586