N80.B
Endometriosis of cardiothoracic space
N80.B is a non-billable ICD-10-CM code header for endometriosis of cardiothoracic space. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N80.B1 Endometriosis of pleura, N80.B2 Endometriosis of lung, N80.B3 Endometriosis of diaphragm, N80.B4 Endometriosis of the pericardial space and 2 more. Its coding notes include a Code also instruction and 8 Excludes2 entries.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Inclusion terms
Conditions classified to this code.
- Endometriosis of thorax
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 1 entry