Endometriosis of unspecified fallop, unspecified depth

This code signifies the presence of endometrial-like tissue growing outside the uterus, specifically within an unspecified fallopian tube, without further specification regarding the depth of tissue invasion. It represents a diagnosis of endometriosis affecting one of the two fallopian tubes, where the laterality (left or right) is not documented.

Apply this code when documentation confirms endometriosis of a fallopian tube, but the medical record does not specify which fallopian tube is affected (e.g., "fallopian tube endometriosis" without laterality). This code is also appropriate when the extent or depth of the endometrial implants within the fallopian tube is not detailed.

• Avoid using this code if laterality (left or right fallopian tube) is documented; instead, use a more specific code from the N80.2 series.
• Do not use if the depth of invasion (e.g., superficial, deep) is specified; look for more granular codes within N80.2.
• Always query the provider for clarification on laterality and depth if possible to allow for more precise coding.