Proven Diagnostics Test Catalog
17-KETOSTEROIDS, 24-HOUR URINE |
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Test code: |
KET17 |
Specimen type: |
24-hour urine |
Tube type / collection container: |
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Specimen collection notes: |
Preferred specimen is 20 mL aliquot of 24-hour urine preserved with 25 mL of 50% acetic acid (preferred) or with 30 mL 6N HCl or 10 g boric acid. Mix well. Estimate total collection volume from 24-hour urine container. Remove required aliquot. Record total volume on both aliquot tube and request slip (if applicable). Also record patient's age and sex and date and time of collection. |
What to submit: |
20 mL aliquot of 24-hour urine as above. |
Patient preparation: |
None. |
Specimen Processing Instructions: |
20 mL aliquot of 24-hour urine preserved with 25 mL of 30 mL 6N HCl or 10 gm boric acid; minimum 10 mL. |
Transport temperature: |
Refrigerated (preferred) or frozen specimen. |
Specimen stability: |
Room Temperature: 8 hours. Refrigerated: 1 week. Frozen: 1 month (-20°C) |
Rejection criteria: |
Stability limits exceeded. |
Reference range: |
17-Ketosteroids, 24-Hour Urine <1.0 mg/24 hrs <1 year <2.0 mg/24 hrs 1- 4 years <3.0 mg/24 hrs 5- 8 years 3.0-10.0 mg/24 hrs 9-12 years 5.0-12.0 mg/24 hrs 13-16 years Females 6.0-15.0 mg/24 hrs >16 years Males 9.0-22.0 mg/24 hrs 17-20 years 8.0-20.0 mg/24 hrs >20 years If age and sex are not provided 6.0-20.0 mg/24 hrs Default. Reference Ranges are not available for timed collections other than 24-hour urines. |
Alert limits: |
Not applicable. |
Additional information: |
None. |
CPT code(s): |
83586 |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided are based on AMA guidelines and are for informational purposes only. | |
| When performed: |
Monday-Thursday, Sunday evening |
Test includes: |
17-Ketosteroids, 24-Hour Urine. |
Methodology: |
Spectrophotometric (Colorimetric)
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Synonyms: |
17-KETOSTEROIDS, (17-KS) 24-HR URINE
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