N80.B – Endometriosis of cardiothoracic space
ICD-10-CM 2027 diagnosis code · Noninflammatory disorders of female genital tract
ICD-10-CM code
N80.B
- Code
N80.B(claims format:N80B)- Description
- Endometriosis of cardiothoracic space
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 14. Diseases of the genitourinary system (N00-N99)
- Block
- N80-N98 Noninflammatory disorders of female genital tract
- Parent codes
- N80
Billable codes under N80.B
N80.B is a header code and cannot be used on claims. Choose the most specific code:
- N80.B1 – Endometriosis of pleuraBillable
- N80.B2 – Endometriosis of lungBillable
- N80.B3 – Endometriosis of diaphragmHeader (more codes below)
- N80.B4 – Endometriosis of the pericardial spaceBillable
- N80.B5 – Endometriosis of the mediastinal spaceBillable
- N80.B6 – Endometriosis of cardiothoracic spaceBillable
Notes for N80.B
Applicable to:
- Endometriosis of thorax
Index terms for N80.B
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in N80
- N80.0 – Endometriosis of uterusHeader
- N80.1 – Endometriosis of ovaryHeader
- N80.2 – Endometriosis of fallopian tubeHeader
- N80.3 – Endometriosis of pelvic peritoneumHeader
- N80.4 – Endometriosis of rectovaginal septum and vaginaHeader
- N80.5 – Endometriosis of intestineHeader
- N80.6 – Endometriosis in cutaneous scarBillable
- N80.A – Endometriosis of bladder and uretersHeader
- N80.C – Endometriosis of the abdomenHeader
- N80.D – Endometriosis of the pelvic nervesHeader
- N80.8 – Other endometriosisBillable
- N80.9 – Endometriosis, unspecifiedBillable
Frequently asked questions
What is ICD-10 code N80.B?
N80.B is the ICD-10-CM code for endometriosis of cardiothoracic space, in the block N80-N98 (Noninflammatory disorders of female genital tract).
Is N80.B a billable code?
No. N80.B is a header code with more specific child codes; report one of the billable codes listed above.
What category does N80.B belong to?
It belongs to category N80 – Endometriosis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.