ICD-10-CM · FY 2026 APRIL UPDATE
N80.B
Endometriosis of cardiothoracic space
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| N80.B1 | Endometriosis of pleura | Billable |
| N80.B2 | Endometriosis of lung | Billable |
| N80.B3 | Endometriosis of diaphragm | Category |
| N80.B31 | Superficial endometriosis of diaphragm | Billable |
| N80.B32 | Deep endometriosis of diaphragm | Billable |
| N80.B39 | Endometriosis of diaphragm, unspecified depth | Billable |
| N80.B4 | Endometriosis of the pericardial space | Billable |
| N80.B5 | Endometriosis of the mediastinal space | Billable |
| N80.B6 | Endometriosis of cardiothoracic space | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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