Ordering Recommendation

Measurement of urinary sulfate excretion is used in calculi risk assessment.

Mnemonic
U SO4
Methodology

Quantitative Spectrophotometry

Performed

Sun, Wed, Fri

Reported

1-6 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

24-hour urine. Refrigerate during collection.

Specimen Preparation

Transfer 4 mL urine to an ARUP Standard Transport Tube. (Min: 2 mL)
Additional Information: Record total volume and collection time on tube and test request form.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

Room temperature specimens. Any sample except urine.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month

Reference Interval

6-30 mmol/d

Interpretive Data

Reference intervals have been established for 24 hour collections only.

Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

84392

Components
Component Test Code* Component Chart Name LOINC
0020207 Creatinine, Urine - per volume 2161-8
0020208 Creatinine, Urine - per 24h 2162-6
0081103 Sulfate, Urine - per volume 47780-2
0081104 Sulfate, Urine - per 24h 26889-6
0097110 Total Volume 19153-6
0097111 Hours Collected 30211-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Inorganic sulfate
Sulfate, Urine