Anatomical Regions (7W) ICD-10-PCS
The 7W body system covers Osteopathic procedures on anatomical regions, with 202 ICD-10-PCS codes across 1 root operations, 200 of them billable in fiscal year 2026. Each root operation defines a distinct procedural objective, and the info icons show the official definition with a preview of the codes inside.
Root Operations in This Body System 1 operations · 202 codes
About the 7W Body System
The ICD-10-PCS root operation Anatomical Regions (character 7W) pertains to osteopathic procedures focusing on specific body areas rather than discrete organs or tissues. It involves manipulation and manual treatment methods aimed at addressing dysfunction within defined anatomical regions.
Within the Osteopathic classification, this root operation is exemplified by the procedure coded 7W0, which signifies manual treatment intended to eliminate or alleviate somatic dysfunction and related disorders. This approach targets functional disturbances by applying hands-on techniques rather than surgical interventions. Understanding and properly coding these codes is essential in documenting osteopathic care and reflecting the holistic nature of treatment provided to patients through region-focused manual therapies.
Questions About This Page
How many codes are in the 7W body system?
The 7W body system contains 202 ICD-10-PCS codes in FY 2026, organized into 1 root operations. 200 of them are billable on inpatient claims.
What is a root operation?
The root operation is the third character of every ICD-10-PCS code and names the objective of the procedure. Drainage takes fluid out, Excision cuts out a portion of a body part, and Resection removes all of one. Picking the right root operation is the central skill of PCS coding, so each one above carries its official CMS definition.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
