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Test Code LAB165 GLUCOSE TOLERANCE, 1 HR POST 50 GM

Additional Codes

Internal: 10264

External: GTT50GM

Beaker: LAB165

PERFORMED AT

SBH LABORATORY
SRH LABORATORY
SMH LABORATORY
SPH LABORATORY
HDH LABORATORY

Specimen Requirements

Container Type: Lithium Heparin (Green Top) or Serum Separator (Gold Top)
Specimen Type: Plasma or Serum
Preferred Volume: 1 mL
Emergency Minimum Volume: 0.3 mL
Patient Prep: Diet requirements are not necessary.
Collection Procedure: Collect specimen 1 hour after 50 gram glucose load.

Specimen Processing: Separate serum or plasma from cells within 30 minutes of collection by centrifugation. Aliquot serum or plasma into a separate tube if parent tube does not have a gel barrier. Store and transport refrigerated.
Unacceptable Conditions: Specimens not separated from cells within 30 minutes of collection (except Fluoride/Oxalate (Gray Top)).
Alternate Specimens: Plain Serum Tube (Red Top), Fluoride/Oxalate (Gray Top), EDTA Plasma (Lavender Top)

 

Stability:

Temperature Time
Room Temp 8 hours
Refrigerated 3 days
Frozen (-20 øC) Unacceptable

Method

Hexokinase Enzymatic

Synonyms

Glucose 1HR Post Dose; 50 gm Load Glucose; Glucose 50 gm Post load

CPT Codes

82950

 

Medicare beneficiaries with certain risk factors for diabetes or diagnosed with pre-diabetes are covered with a specific ICD screening code. See the link provide for information. 

 

Medicare beneficiaries with a diagnoses of diabetes are not eligible for this benefit and an ABN is required.

 

https://www.cms.gov/Medicare/Prevention/PrevntionGenInfo/medicare-preventive-services/MPS-QuickReferenceChart-1.html#DIABETES

Department

Chemistry

Test Schedule

Daily & STAT

Test Includes

Glucose-1 hr Post dose Glucola(PREG)

Reference Lab

SCHS