Inpatient and Outpatient Orderable

Glutamic Acid Decarboxylase (GAD65) Antibody Build info

Synonyms

  • GLUTAMIC ACID DECARBOXYLASE
  • ANTI-GAD
  • GLUTAMATE
  • LAB650

Procedure Name

GLUTAMIC ACID DECARBOXYLASE

Procedure Master Number

LAB650

Procedure ID

64548

Clinical Info

Assessing susceptibility to autoimmune (type 1, insulin-dependent) diabetes mellitus and related endocrine disorders (eg, thyroiditis and pernicious anemia)
Distinguishing between patients with type 1 and type 2 diabetes
Confirming a diagnosis of stiff-man syndrome, autoimmune encephalitis, autoimmune ataxia, brain stem encephalitis, autoimmune epilepsy, autoimmune myelopathy; titers generally greater than or equal to 20.0 nmol/L

Specimen Sources

 Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

 Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Red top or Gold Top Tube
Specimen: 1.5 mL serum (1.0 mL min)

Specimen Volume

1.5 mL serum (1.0 mL min)

Transport Instructions

Refrigerated

Specimen Stability

72 Hours Room Temperature
28 Days Refrigerated or Frozen

Methodology

Immunoprecipitation Assay (IPA)

Days Performed

TAT: 4-7 Days

Performing Laboratory

Mayo Medical Laboratories

CPT

86341
LOINC Code 94345-6

PDM

 5910600

Only Orderable at Locations:

 Orderable Everywhere

Results
Component Name Base Name Common Name External Name
GLUTAMIC ACID DECARBOXYLASE ANTIBODY GADAB GLUTAMIC ACID DECARB AB GAD65 Ab Assay, S

Result Interpretation

≤0.02 nmol/L

Reference values apply to all ages.

Forms
edit