17-Ketosteroids, Urine


Abbrev Code:ARMISC   
Order Code:LAB4909Order Name:17 -Ketosteroids 24 Hr Urine
Methodology:Spectrophotometric
CPT Codes: 83586 x1
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 8 mL
Container:3 L plastic jug
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.
Stability:Stability: 4 hours at room temperature; 2 weeks refrigerated; 1 month frozen.
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 mo 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 & 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, chloramphenicol, 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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