ICDcodes.org
FY2027

N80.B — Endometriosis of cardiothoracic space

Not billable

Is N80.B billable?

No — N80.B is a non-billable header code. N80.B groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 8 billable codes beneath N80.B.

N80.B at a glance

CodeN80.B
DescriptionEndometriosis of cardiothoracic space
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is N80.B listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to N80.B. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Endometriosis › thorax

Code also

Two codes may be needed to describe the condition fully. Whether N80.B is sequenced first depends on the reason for the encounter.

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

Inclusion terms

Alternative wording in documentation that is classified to N80.B.

  • Endometriosis of thorax

Excludes2 — not included here — inherited from Chapter 14

The conditions below are not part of N80.B, but a patient may have both at the same time. When documentation supports it, N80.B and the excluded code may both be reported.

  • 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)

What codes fall under N80.B? (6)

How long has N80.B existed?

N80.B first appears in FY2023.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to N80.B?

What other codes are in the N80 family? (12)