Endometriosis of the right pelvic sidewall, unsp depth

This code identifies the presence of endometrial tissue abnormally located on the right pelvic sidewall. This condition is characterized by the growth of tissue similar to the uterine lining outside the uterus, specifically affecting the peritoneal surface of the right lateral pelvic wall. The "unspecified depth" indicates that the extent of tissue infiltration into the underlying structures is not documented.

Apply this code when documentation explicitly states endometriosis affecting the right pelvic sidewall, and the depth of infiltration (e.g., superficial, deep) is not specified. This is typically supported by operative reports, pathology findings, or imaging studies confirming the location without further detail on depth.

• Ensure documentation specifies the right pelvic sidewall; laterality is crucial for accurate coding.
• Do not use if the depth of infiltration (superficial or deep) is documented; instead, select a more specific N80.35x code.
• Consider sequencing this code after a code for chronic pelvic pain (R10.2) if that is the primary presenting symptom.