N80.B

Non-billable

Endometriosis of cardiothoracic space

N80.B is the ICD-10-CM code for Endometriosis of cardiothoracic space. It is a non-billable category code — use a more specific child code such as N80.B1 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Parent
N80
Subcodes
6
Edition
FY2026

N00-N99 Diseases of the genitourinary system

Includes

  • Endometriosis of thorax

Notes

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

Frequently asked questions

What is ICD-10 code N80.B?
N80.B is the ICD-10-CM code for "Endometriosis of cardiothoracic space". It falls under N00-N99 Diseases of the genitourinary system.
Is N80.B a billable code?
No — N80.B is a non-billable header code. Use a more specific child code (such as N80.B1) for billing.
What are the subcodes of N80.B?
N80.B has 6 more specific child codes, including N80.B1, N80.B2, N80.B3.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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