N83.331
Acquired atrophy of right ovary and fallopian tube
BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Other
N83.331 (also written N83331) is a billable ICD-10-CM diagnosis code for acquired atrophy of right ovary and fallopian tube. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 35 codes in category N83 (Noninflammatory disorders of ovary, fallopian tube and broad ligament). Its coding notes include 9 Excludes2 entries.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Inherited from N83 Noninflammatory disorders of ovary, fallopian tube and broad ligament
- hydrosalpinx (N70.1-)
Also from chapter/block level (8 notes)
Inherited from Chapter 14 Diseases of the genitourinary system
- 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)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026