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October 2019

Physical, occupational and speech therapy claims require appropriate modifier

Blue Cross Blue Shield of Michigan is updating the claims processing system to require all outpatient physical, occupational and speech therapy claims to be billed with one of the following therapy modifiers:

  • GN
  • GO
  • GP

Once the update is complete, the claims processing system will reject all professional outpatient therapy services submitted without an appended modifier. Therapy providers are encouraged to begin billing with the modifiers as soon as possible.

The system update is expected to be completed in early 2020. We’ll notify you of the effective date through web-DENIS and a future issue of The Record.

No portion of this publication may be copied without the express written permission of Blue Cross Blue Shield of Michigan, except that BCBSM participating health care providers may make copies for their personal use. In no event may any portion of this publication be copied or reprinted and used for commercial purposes by any party other than BCBSM.

*CPT codes, descriptions and two-digit numeric modifiers only are copyright 2018 American Medical Association. All rights reserved.
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