Vestibular function testing (ENG/VNG, caloric, rotational chair, VEMP)
Defines medical necessity and noncoverage criteria for laboratory-based vestibular function tests (ENG/VNG test batteries, caloric testing, rotational chair testing, and vestibular evoked myogenic potential [VEMP] testing) for Medicare Advantage and commercial products offered by Blue Cross Blue Shield - Rhode Island.
No material clinical or coverage changes.
Coverage Summary
Defines medical necessity and noncoverage criteria for laboratory-based vestibular function tests (ENG/VNG test batteries, caloric testing, rotational chair testing, and vestibular evoked myogenic potential [VEMP] testing) for Medicare Advantage and commercial products offered by Blue Cross Blue Shield - Rhode Island. Covered tests include ENG/VNG, caloric, and rotational chair; VEMP testing is listed as not covered/not medically necessary. Key stats: 9 covered CPT codes listed; 3 VEMP CPT codes listed as not covered; 2 clinical contexts explicitly excluded (typical BPPV, repeat testing).
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