Lymphatic System (B7) ICD-10-PCS
The B7 body system covers Imaging procedures on lymphatic system, with 31 ICD-10-PCS codes across 1 root operations, 30 of them billable in fiscal year 2027. 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 · 31 codes
| Chars 1–3 | Root Operation | Codes | Billable |
|---|---|---|---|
| B70 | Plain RadiographyPlanar display of an image developed from the capture of external ionizing radiation on photographic or photoconductive plate | 31 | 30 |
The info icon shows the official root operation definition and previews the codes in that range.
About the B7 Body System
These procedures make flat images of the lymphatic system using radiation from outside the body.
The Plain Radiography table includes the abdomen, the area behind its lining, the head and neck, the upper and lower limbs, and the pelvis. Its body part values distinguish one or both sides in the abdomen and right, left, or both upper or lower limbs.
A lymphangiogram is an imaging procedure for the lymphatic system.
Questions About This Page
How many codes are in the B7 body system?
The B7 body system contains 31 ICD-10-PCS codes in FY 2027, organized into 1 root operations. 30 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 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.
