HCPCS Modifier CS

An item or service related, in whole or in part, to an illness, injury, or condition that was caused by or exacerbated by the effects, direct or indirect, of the 2010 oil spill in the Gulf of Mexico, including but not limited to subsequent clean-up activities.


  • This modifier is effective for services provided on or after April 20, 2010
  • Submit this modifier with each service that meets the criteria under description, above
  • This modifier is informational only and does not affect payment of any services

Reference: CMS MLN Matters article MM7087 (PDF, 70 KB).

Contact Palmetto GBA JM Part B Medicare

Email Part B

Contact a specific JM Part B department

Provider Contact Center: 855-696-0705

TDD: 866-830-3188

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