N80.B3 – Endometriosis of diaphragm

ICD-10-CM 2027 diagnosis code · Noninflammatory disorders of female genital tract

Non-billable header

ICD-10-CM code N80.B3

Code: N80.B3 (claims format: N80B3)
Description: Endometriosis of diaphragm
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 › N80.B

Billable codes under N80.B3

N80.B3 is a header code and cannot be used on claims. Choose the most specific code:

N80.B31 – Superficial endometriosis of diaphragmBillable
N80.B32 – Deep endometriosis of diaphragmBillable
N80.B39 – Endometriosis of diaphragm, unspecified depthBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

N80.B – Endometriosis of cardiothoracic space

Applicable to:

Endometriosis of thorax

Code also:

, if applicable:
catamenial hemothorax (J94.2)
catamenial pneumothorax (J93.12)

Related codes in N80.B

N80.B1 – Endometriosis of pleuraBillable
N80.B2 – Endometriosis of lungBillable
N80.B4 – Endometriosis of the pericardial spaceBillable
N80.B5 – Endometriosis of the mediastinal spaceBillable
N80.B6 – Endometriosis of cardiothoracic spaceBillable

Frequently asked questions

What is ICD-10 code N80.B3?

N80.B3 is the ICD-10-CM code for endometriosis of diaphragm, in the block N80-N98 (Noninflammatory disorders of female genital tract).

Is N80.B3 a billable code?

No. N80.B3 is a header code with more specific child codes; report one of the billable codes listed above.

What category does N80.B3 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.