Sign in →

Test Code GATOL Galactitol, Quantitative, Urine


Ordering Guidance


To monitor dietary ingestion of galactose, order GAL1P / Galactose-1-Phosphate, Erythrocytes.



Necessary Information


Patient's age is required.



Specimen Required


Supplies: Urine Tubes, 10 mL (T068)

Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 2 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.


Children's Mercy Hospital Note:

CMH COLLECTION: 2 mL in sterile cup

Specimen Minimum Volume

1 mL

Specimen Stability Information

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

Useful For

Monitoring effectiveness of treatment in patients with galactosemia

 

Establishing a baseline level prior to initiating treatment for galactosemia

Reject Due To

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

Day(s) Performed

Tuesday, Friday

Report Available

3 to 7 days

Reporting Name

Galactitol, QN, U

Reference Values

0-11 months: <109 mmol/mol creatinine

1-3 years: <52 mmol/mol creatinine

4-17 years: <16 mmol/mol creatinine

≥18 years: <13 mmol/mol creatinine

Method Name

Gas Chromatography Mass Spectrometry (GC-MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82542