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17-Hydroxycorticosteroids, 24 hr Urine

Test

Method

Colorimetric with Porter-Silber Reaction

Report Includes

17-Hydroxycorticosteroids; Creatinine

Specimens

Urine (24 hr)

Test Location

CA, USA

Test Version

30-Sep-2019

Specimen

Specimens

Urine (24 hr)

Sample Volume

20 mL

Minimum Volume

10 mL

Collection & Handling

Collection Instructions

Collect urine with 10 g Boric acid (preferred) or 25 mL of 50% acetic acid or 30 mL of 6N HCL acid (acceptable). Keep urine refrigerated during collection.

Handling Information

Mix well and record the total volume on the test request form and urine container. Submit in leak proof container.

Additional Information

Provide collection volume, date of birth and gender.

Stability

Ambient 8 hours
Refrigerated 7 days
Frozen 30 days

Rejection Criteria

Other No preservative

Test Version

30-Sep-2019

Performance / Interpretation

Method

Colorimetric with Porter-Silber Reaction

Turnaround Time

5 days

Results

Name Units Reference Range Conversion Factor
24 Hour Volume mL
17-Hydroxycorticosteroids mg/24 h
  • <1y: Not Established
  • 1 - 2 y: 0.5 - 2.5
  • 3 - 4 y: 1.0 - 4.0
  • 5 - 6 y: 1.0 - 4.8
  • 7 - 8 y: 1.0 - 5.6
  • 9 -10 y: 1.0 - 7.0
  • 11 - 12 y: 1.5 - 8.0
  • 13 - 16 y, F: 2.8 - 6.8, M: 2.0 - 6.0
  • 17 - 20 y, F: 2.0-7.0, M: 3.0 - 10.0
  • Adult Female: 2.0 - 6.0, Male: 3.0 - 10.0
Creatinine g/24 h
  • <3 y: Not Established
  • 3 - 8 y: 0.11 - 0.68
  • 9 - 12 y: 0.17 - 1.41
  • 13 - 17 y: 0.29 - 1.87
  • ≥18 y: 0.63 - 2.50

Test Location

CA, USA

Test Version

30-Sep-2019

Interface / Setup

Test Version

30-Sep-2019