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Test Code MISCLM Galactose, Quantitative, Plasma

Additional Codes

MAYO Test ID
GALP
EPIC Test ID
LAB2608

 

Reporting Name

Galactose, QN, P

Useful For

Screening for galactosemia

Testing Algorithm

This is a screening test only.

 

See Galactosemia Testing Algorithm in Special Instructions.

Method Name

Spectrophotometric, Kinetic

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Plasma Na Heparin


Advisory Information


This test is not recommended for follow-up of positive newborn screening results. For this purpose GAL1P / Galactose-1-Phosphate (Gal-1-P), Erythrocytes and GCT / Galactosemia Reflex Test, Blood are the most appropriate tests.

 

This test is not appropriate for the diagnosis of galactosemia. For diagnosis, see GCT / Galactosemia Reflex, Blood.

 

The preferred test for monitoring dietary therapy is GAL1P / Galactose-1-Phosphate (Gal-1-P), Erythrocytes.



Specimen Required


Collection Container/Tube: Green top (sodium heparin)

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma Na Heparin Frozen (preferred) 365 days
  Ambient  20 days
  Refrigerated  20 days

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

NA

Other

NA

Reference Values

1-7 days: <5.4 mg/dL

8-14 days: <3.6 mg/dL

>14 days: <2.0 mg/dL

Day(s) and Time(s) Performed

Varies

CPT Code Information

82760

LOINC Code Information

Test ID Test Order Name Order LOINC Value
GALP Galactose, QN, P 2308-5

 

Result ID Test Result Name Result LOINC Value
83638 Galactose, QN, P 2308-5

Test Classification

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

Analytic Time

8 days

Forms

Biochemical Genetics Patient Information (T602) in Special Instructions