Correct Types of Bill (TOB) for IBT for CVD on Institutional Claims (Rev. 2432, 11-08-11)

by  Jared Staheli
July 6th, 2015

Effective for claims with dates of service on and after November 8, 2011, the following types of bill (TOB) may be used for IBT for CVD: 13X, 71X, 77X, or 85X. All other TOB codes shall be denied.

The following messages shall be used when Medicare contractors deny claims for G0446 when submitted on a TOB other than those listed above:

CARC 170: Payment is denied when performed/billed by this type of provider. Note: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.

RARC N428: Not covered when performed in this place of service.”

MSN 21.25: “This service was denied because Medicare only covers this service in certain settings.”

Spanish Version: El servicio fue denegado porque Medicare solamente lo cubre en ciertas situaciones."

Group Code PR (Patient Responsibility) assigning financial liability to the beneficiary, if a claim is received with a GA modifier indicating a signed ABN is on file.

Group Code CO (Contractual Obligation) assigning financial liability to the provider, if a claim is received with a GZ modifier indicating no signed ABN is on file.


Correct Types of Bill (TOB) for IBT for CVD on Institutional Claims (Rev. 2432, 11-08-11). (2015, July 6). Find-A-Code Articles. Retrieved from

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