Test Details
Mnemonic
U17KS
Ordering Code
3683210
CPT-4 Code(s)
83586
Specimen Information
Collect
24 hour urine (refrigerate during collection)
Specimen Preparation
Send two 4.0 mL well-mixed aliquots in sterile, screw capped plastic urine vials.
Alternate Specimen
2 screw capped plastic vials containing 20 mg Sulfamic acid. Call lab to order acid. Adequate refrigeration is the most important aspect of specimen preservation.
Minimum Volume
3 mL aliquot
Transport Temperature
Refrigerated
Stability
Room temperature: 4 hours
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Quantitative Spectrophotometry
Reference Range
17-Ketosteroids - per 24 h
Male Female
0 - 11 months: 0.0 - 1.0 mg/d 0.0 - 1.0 mg/d
1 - 5 years: 1.0 - 2.0 mg/d 1.0 - 2.0 mg/d
6 - 10 years: 1.0 - 4.4 mg/d 1.4 - 3.9 mg/d
11 - 12 years: 1.3 - 8.5 mg/d 3.8 - 9.5 mg/d
13 - 16 years: 3.4 - 9.8 mg/d 4.5 - 17.1 mg/d
17 - 50 years: 5.3 - 17.6 mg/d 4.4 - 14.2 mg/d
50+ years: 4.1 - 12.1 mg/d 3.2 - 10.6 mg/d
Creatinine: By Report
Reference intervals for random urine samples (mg/L)
are not available.
Note: A large number of substances may 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,
chlorothazide, chlorpromazine, cloxacillin,
dexamethasone, erythromycin, ethinamate,
etryptamine, methicillin, methyprylon,
morphine, oleadomycin, oxacillin, penicillin,
phenaglycodol, phenazopyridine,
phenothiazine, piperidine, quinidine,
secobarbital, spironolactone, and others.
Male Female
0 - 11 months: 0.0 - 1.0 mg/d 0.0 - 1.0 mg/d
1 - 5 years: 1.0 - 2.0 mg/d 1.0 - 2.0 mg/d
6 - 10 years: 1.0 - 4.4 mg/d 1.4 - 3.9 mg/d
11 - 12 years: 1.3 - 8.5 mg/d 3.8 - 9.5 mg/d
13 - 16 years: 3.4 - 9.8 mg/d 4.5 - 17.1 mg/d
17 - 50 years: 5.3 - 17.6 mg/d 4.4 - 14.2 mg/d
50+ years: 4.1 - 12.1 mg/d 3.2 - 10.6 mg/d
Creatinine: By Report
Reference intervals for random urine samples (mg/L)
are not available.
Note: A large number of substances may 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,
chlorothazide, chlorpromazine, cloxacillin,
dexamethasone, erythromycin, ethinamate,
etryptamine, methicillin, methyprylon,
morphine, oleadomycin, oxacillin, penicillin,
phenaglycodol, phenazopyridine,
phenothiazine, piperidine, quinidine,
secobarbital, spironolactone, and others.
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes