Split billing

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Split billing is the division of a bill for service into two or more parts. Bills may be split to divide work between clients, payers or for reimbursement to different service providers for performing a shared service.[1][2]

Medical billing[edit]

Add-on codes[edit]

Add-on codes are additional work associated with a primary service or procedure. Add-on codes can and should only be billed when the provider has performed and billed the primary service.[3] CMS guidelines and coding textbooks agree that add-on codes should be on the same claim as the primary code.[4][5][6]


  1. ^ "Split Billing - Term Definition". Glossary. Tenrox Project Management. 2009. Retrieved November 6, 2009. 
  2. ^ Scott Manaker, MD, PhD, FCCP, Diane Krier-Morrow, MBA, MPH, CCS-P, Carol Pohlig, BSN, RN, CPC, ACS (2009). Coding for Chest Medicine 2009. Chest Physicians - ACCP. pp. 266–267. ISBN 9780916609726. 
  3. ^ AMA (2009). Current Procedural Terminology: CPT 2009, Professional Edition. American Medical Association. p. XV. ISBN 9781603590648. 
  4. ^ CMS (April 24, 2009). "CMS - Medicare Claims Processing Manual Chapter 18 - Preventive and Screening Services, page 79" (PDF). Billing Manual. Centers for Medicare & Medicaid Services. Retrieved November 4, 2009. 
  5. ^ Butler, Annette; Dobbins, Linda M. (2009). Outcomes in Coding Practice. Cengage Learning. p. 9. ISBN 9781401898984. 
  6. ^ Covell, Alice (2009). 2009 Coding Workbook for the Physician's Office. Cengage Learning. p. 12. ISBN 9781435484092.