Sign in →

Test Code TALDO Polyols, Quantitative, Urine

Reporting Name

Polyols, QN, U

Useful For

Diagnosing deficiencies of transaldolase, transketolase, sedoheptulose, or ribose-5-phosphate isomerase

Method Name

Gas Chromatography Mass Spectrometry (GC-MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


Necessary Information


1. Patient's age is required.

2. Biochemical Genetics Patient Information (T602) is recommended, but not required, to be filled out and sent with the specimen to aid in the interpretation of test results.



Specimen Required


Supplies: Urine Tubes, 10 mL (T068)

Specimen Volume: 2 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.


Specimen Minimum Volume

1 mL

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 28 days
  Frozen  28 days

Reference Values

ERYTHRITOL

≤11 months: <220 mmol/mol creatinine

1-3 years: <267 mmol/mol creatinine

4-17 years: <171 mmol/mol creatinine

>or =18 years: <99 mmol/mol creatinine

 

ARABINITOL

≤11 months: <140 mmol/mol creatinine

1-3 years: <149 mmol/mol creatinine

4-17 years: <97 mmol/mol creatinine

>or =18 years: <51 mmol/mol creatinine

 

RIBITOL

≤11 months: <31 mmol/mol creatinine

1-3 years: <31 mmol/mol creatinine

4-17 years: <17 mmol/mol creatinine

>or =18 years: <11 mmol/mol creatinine

 

SEDOHEPTULOSE

≤11 months: <76 mmol/mol creatinine

1-3 years: <27 mmol/mol creatinine

4-17 years: <28 mmol/mol creatinine

>or =18 years: <22 mmol/mol creatinine

Day(s) Performed

Tuesday; Friday

CPT Code Information

82542

LOINC Code Information

Test ID Test Order Name Order LOINC Value
TALDO Polyols, QN, U 74447-4

 

Result ID Test Result Name Result LOINC Value
35824 Erythritol 48107-7
35825 Arabinitol 47829-7
35826 Ribitol 47884-2
35827 Sedoheptulose 78967-7
35829 Interpretation (TALDO) 74448-2
35830 Reviewed By 18771-6

Report Available

3 to 7 days

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Forms

1. Biochemical Genetics Patient Information (T602)

2. If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.