Code is covered without prior authorization (high confidence)
Medicare Pricing
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0.00
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Non-Facility
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Documentation Required
Documentation of symptoms suggestive of celiac disease when serologic testing is performed (for use as preliminary diagnostic test).
When monitoring response to a gluten-free diet, documentation of prior diagnosis and gluten-free diet initiation and serial serologic results.
Documentation of first-degree relative status when screening relatives of affected individuals (family history, relationship).
Documentation of type 1 diabetes diagnosis when screening persons with T1DM for celiac disease.
Key Coverage Criteria
Persons with discrepant celiac-specific serology and histology;
Serological testing of IgA anti-human tissue transglutaminase (TTG) antibodies, IgG and IgA deamidated gliadin antibodies (DGP), and IgA anti-endomysial antibodies (EMA) for any of the following indications:
As a preliminary diagnostic test for persons with symptoms suggestive of celiac disease;
To monitor response to a gluten-free diet;
To screen first-degree relatives of individuals with celiac disease;
To screen persons with type 1 diabetes for celiac disease.
Ask Verity about documentation requirements, denial risks, or coverage in your state.
Measurement of total serum IgA is required/should be performed to detect selective IgA deficiency (documentation of IgA level) prior to interpreting IgA-based serologies.
For HLA-DQ2/DQ8 genotyping, documentation to support one of the listed indications: seronegative persons with equivocal small bowel histology (Marsh I-II) (include biopsy/histology report); evaluation of persons on a gluten-free diet in whom no serologic testing was performed before starting the diet (document GFD start and lack of prior serology); discrepant celiac-specific serology and histology (include serology and histology reports); suspicion of refractory celiac disease where the original diagnosis remains in question (provide prior diagnostic documentation); or Down syndrome (document diagnosis).