Update unit-of-service, modifier 59 reporting, says 2018 CCI manual

Why This Topic Matters

The guidance affects how organizations report services, apply modifiers, and interpret edit-related policy changes in daily claims workflows. Understanding the scope of these updates helps reduce compliance risk and supports more accurate claim submission.

Article Sections

1. Units of service and CPT plural definitions

   Discusses general changes to unit-of-service reporting and how the policy manual addresses CPT descriptors that use plural language. It also touches on how body parts, laterality, and related CPT conventions are presented in the updated guidance.

2. Modifier 59 and related examples

   Reviews revised guidance on modifier usage in the context of separate procedures and anatomical relationships. The section includes a general discussion of how the policy manual frames distinct procedural services.

3. Pulmonary units also limited

   Covers policy language addressing inhalation treatment reporting across calendar days. The focus is on how the updated manual clarifies unit-of-service limits for a respiratory therapy code.

4. E/Ms, immunizations eligible for same-day pay

   Summarizes guidance for reporting immunization administration and evaluation and management services on the same date. It also notes the article’s discussion of related modifier requirements and same-day reporting conditions.

5. Prove ‘judgment’ for lab interpretation

   Describes updated guidance for pathology interpretation reporting and the circumstances under which the service is considered appropriate. The section also references molecular pathology service categories and the role of medical judgment.

6. Therapy services capped at one

   Explains policy updates affecting physical therapy and occupational therapy evaluation and re-evaluation services. It also covers same-day reporting considerations when services are furnished by one or more practitioners.