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Test Code U17HCQ 17-Hydroxycorticosteroids,Urine

Collection Container

Jug

Specimen Required

24 Hour urine

Special Handling Instructions

Urine should be well-mixed before aliquoting.

Also acceptable: Specimens refrigerated with preservatives.

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

Specimen Volume

12 mL

Transport Temperature

Freeze

Specimen Stability

Room temperature: 4 hours, Refrigerated: 7 days, Frozen: 1
month

Reasons for Rejection

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

Methodology

Quantitative Porter-Silber

Turnaround Time

3 -7 days

CPT Code

83491

LOINC Code

21036-9

EMR Interface Order Code

11415