Test Code LAB351 17-Hydroxycorticosteroids
Additional Codes
17 OHCS
Clinical System Name
17-Hydroxycorticosteroids
Synonyms
17 Hydroxysteroids Urine; 17-Hydroxycorticorsteroids Urine; Dexamethasone - Urine; Hydroxycorticosteroids - 17 Urn
Sample Requirements
Specimen: Urine
Container(s): Sterile Leak-Proof Container
Preferred Vol: 20.0 mL from 24-hour urine collection with 10 grams boric acid added to the container.
Minimum Vol: 10.0 mL from 24-hour urine collection with 10 grams boric acid added to the container.
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 limits. Specimens without preservatives.
Spin: N
Aliquot: Y
Temp: 2 - 8 C
Storage Location: Place entire collection jug in CPA refrigerator. Mix well, measure and note total volume. pH must be <7.5. Transfer 20.0 mL to a plastic urine bottle affixed with a large Epic 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 20.0 mL to a plastic urine bottle affixed with a large Epic label and refrigerate. 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 - 7 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
83491
Methodology
Method: Colorimetric with Porter-Silber Reaction
Analytical Volume: 10.0 mL Urine
Limitations:
Reference Range
mG/24 hr | mG/G Creatinine | |
2 - 17 Years | 1.1 - 7.5 | 0.9 - 15.3 |
Adult Male | 4.0 - 11.0 | 1.9 - 9.5 |
Adult Female | 3.0 - 10.0 | 1.9 - 9.5 |
Send Out Instructions
Reference Test Name: |
17-Hydroxycorticosteroids with Creatinine, 24-Hour Urine |
Reference Lab Test Code: | |
Instructions: |
Send out Monday through Friday with the Quest courier. |