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HelpTest Code ATGAD / 500611-EX GLUTAMATE DECARBOXYLASE (GAD65) AUTOANTIBODIES, PEDIATRIC
Additional Codes
| Software | Test Code |
|---|---|
| SoftID | ATGAD |
| EPIC | LAB10021 |
| LabCorp (Esoterix) | 500611 |
Performing Laboratory
Esoterix Laboratory Services (LabCorp Specialty Testing Group)
Method Name
Enzyme Linked Immunosorbent Assay (ELISA)
Reference Values
<5 U/mL
Days and Times Test Performed
Monday and Wednesday
Report Available
6-12 Days
Analytic time for send out tests is the time it will take to perform testing once it has arrived at the performing reference lab. Please add 1 to 2 days from time of collection to allow for receipt at NorDx central lab and shipment of specimen, add another day if specimen is collected on the day before a weekend or holiday.
Specimen Type
Serum
Preferred Container
Red Top Tube
Preferred Volume
Serum: 0.8 mL (Red Top Tube) – Minimum volume does not allow for repeat testing.
Minimum Volume
Serum: 0.5 mL (Red Top Tube)
Specimen Collection and Handling
Spin specimen, separate from clot within 45 minutes of draw and send frozen.
Specimen Stability Information
Specimen Type: Serum
Frozen: 14 Days
Refrigerated: 14 Days
Room Temp: 14 Days
Note: Stable x3 freeze/thaw cycles.
Add On Capable
Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst
Advance Beneficiary Notice Requirements
This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 83519 | Analyte other than Infectious Agent Antibody or Infectious Antigen, Quantitative, by Radioimmunoassay |
Performing Laboratory Location
Esoterix Laboratory Services (LabCorp Specialty Testing Group)
LOINC Code Information
13926-1
Clinical Significance
This test should be ordered ONLY by a pediatric endocrinology specialist or as a result of consultation with a pediatric endocrinology specialist. For all other patients, please order “GLUTAMIC ACID DECARBOXYLASE (GAD65) ANTIBODY, SERUM” test code “GAD65”.
Acceptable Alternative Container(s)
Serum Separator Tube (SST)