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