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Test ID FUTHI Thiosulfate, Urine

Specimen Required

Specimen Type: Urine

Container/Tube: Plastic preservative-free urine container

Specimen Volume: 4 mL

Collection Instructions: Collect 4 mL random urine without preservative. Send specimen refrigerated in a plastic (preservative-free) urine container.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
FSGCU Specific Gravity Confirmation, U No No

Testing Algorithm

If Creatinine result is less than 300 or greater than 3000, Specific Gravity Confirmation, Urine (FSGCU) will be performed, if appropriate, at no additional charge.

Method Name

Colorimetry (C)

High Performance Liquid Chromatography/Tandem Mass Spectrometry (LS-MS/MS)

Refractometer (REF), if appropriate

Reporting Name

Thiosulfate, Urine

Specimen Type


Specimen Minimum Volume

1.6 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 30 days
  Frozen  14 days

Reference Values

Reporting limit determined each analysis


Creatinine (mg/L)

  U.S. Population (10th - 90th percentiles, median)

  All participants:

            335 - 2370 mg/L, median: 1180 (n=22,245)


            495 - 2540 mg/L, median: 1370 (n=10,610)


            273 - 2170 mg/L, median 994 (n=11,635)


Thiosulfate (mcg/mL)

  Generally less than 9.2 mcg/mL (based on a median creatinine concentration of 1.18 g/L)


Thiosulfate (Creatinine corrected) (mg/g Creat)

  Generally less than 7.8 mg/g creatinine

Day(s) Performed

Monday through Sunday

Report Available

9 to 16 days

Performing Laboratory

NMS Labs

CPT Code Information



81002 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FUTHI Thiosulfate, Urine 32274-3


Result ID Test Result Name Result LOINC Value
Z3539 Creatinine 2161-8
Z3540 Thiosulfate 12420-6
Z3541 Thiosulfate (Creatinine corrected) 32274-3

Test Classification

This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.