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Help17 Ketosteroids, Fractionated, Urine
Clinical System Name
Miscellaneous Test
Synonyms
None specified
Sample Requirements
Specimen: Urine
Container(s): Sterile Screw-Capped Container
Preferred Vol: 20.0 mL from 24-hour urine collection with 10 g Boric Acid.
Minimum Vol: 10.0 mL from 24-hour urine collection with 10 g Boric Acid
Note: Refrigerate during collection. Also acceptable for collection: 25 mL 50% acetic acid or 6N HCL. Test includes a urine creatinine. Method is affected by improper specimen collection and by pH (must be< 7.5).
Processing Instructions
Reject due to: Specimens exceeding stability limit. Specimens without preservatives.
Spin: N
Aliquot: Y
Temp: 2 - 4 C
Storage location: Place entire collection jug in CPA 2 refrigerator. Mix well, measure and note total volume. pH must be <7.5. Transfer 20 mL to a plastic urine bottle affixed with a large label and refrigerate in the CPA refrigerator. Frozen specimens are acceptable.
Off-site collection: Mix well, measure and note total volume. pH must be <7.5. Transfer 20 mL to a plastic urine bottle and transport refrigerated.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Room temp |
8 h |
| Refrigerated | 7 d | |
| Frozen |
30 d |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | T, F | 3 - 6 d |
Performing Laboratory
Quest Diagnostics - Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130
Phone Number: (800) 553-5445
Department
Department: Send Outs
Phone Number: (206) 987-2563
CPT Codes
82570, 83586
Methodology
Method: Colorimetric with Modified Zimmerman Reaction
Analytical Volume: 10.0 mL urine
Limitations:
Reference Range
See report for reference range(s).
Send Out Instructions
| Reference Test Name: |
17-Ketosteroids with Creatinine, 24-Hour Urine |
| Reference Test Number: |
15201X |
| Instructions: |
Fill out a Quest requisition. Send out Monday through Friday with the Quest courier. |