17-Ketosteroids, Urine


Sunquest Code:UKE17  
Epic Code:LAB350Epic Name:17 -Ketosteroids 24 Hr Urine
Methodology:Spectrophotometric
CPT Code:83586
Test Includes:17-ketosteroids and creatinine
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-5 days.
Special Instructions:An alternative and more specific test for androgen function is Dehydroepiandrosterone Sulfate, Serum.
Associated Links:

Urine Collection Procedure



Collection Instructions

Specimen:Urine, 24 hour collection
Optimal Volume:Submit entire 24 hour collection; analysis requires 6 mL
Collection Instructions:Refrigerate specimen during collection.


Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Transfer into 2 ARUP aliquot tubes containing 4 mL aliquot, 3 mL aliquot minimum. Adequate refrigeration is the most important aspect of specimen preservation. Record total volume/collection time on transport tube and request form.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:80650


Interpretive

Reference Range:

Age

Male, mg/d

Female, mg/d

0-11 m

0.0-1.0

0.0-1.0

1-5 y

1.0-2.0

1.0-2.0

6-10 y

1.0-4.4

1.4-3.9

11-12 y

1.3-8.5

3.8-9.5

13-16 y

3.4-9.8

4.5-17.1

17-50 y

5.3-17.6

4.4-14.2

51 y and older

4.1-12.1

3.2-10.6

A large number of substances interfere with this test. Decreases may be caused by carbamazepine, cephaloridine, cephalothin, chlormerodrin, digoxin, glucose, metyrapone, promazine, propoxyphene, reserpine and others. Increases may be caused by acetone, acetophenide, ascorbic acid, cloramphenicol, chlorothiazide, chlorpromazine, cloxacillin, dexamethasone, erythromycin, ethinamate, etryptamine, methicillin, methyprylon, morphine, oleandomycin, oxacillin, penicillin, phenaglycodol, phenazopyridine, phenothiazine, piperidine, quinidine, secobarbital, spironolactone and others.

 



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