N83.329 — Acquired atrophy of fallopian tube, unspecified side
Is N83.329 billable?
Yes, but N83.329 is an unspecified code. N83.329 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, N83.329 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting N83.329 — the more specific alternatives are listed below.
More specific alternatives
N83.329 at a glance
| Code | N83.329 |
|---|---|
| Description | Acquired atrophy of fallopian tube, unspecified side |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does N83.329 group to?
N83.329 sits in MDC 13 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 742Uterine and Adnexa Procedures for Non-Malignancy with CC/MCCsurgical
- 743Uterine and Adnexa Procedures for Non-Malignancy without CC/MCCsurgical
How is N83.329 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under N83.32, the nearest indexed parent of N83.329. Use them to find the family, then select the specific code.
- Atrophy, atrophic › fallopian tube (of)
Inclusion terms
Alternative wording in documentation that is classified to N83.329.
- Acquired atrophy of fallopian tube, NOS
Excludes2 — not included here — inherited from Chapter 14
The conditions below are not part of N83.329, but a patient may have both at the same time. When documentation supports it, N83.329 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)
Excludes2 — not included here — inherited from N83
The conditions below are not part of N83.329, but a patient may have both at the same time. When documentation supports it, N83.329 and the excluded code may both be reported.
- hydrosalpinx (N70.1-)
How long has N83.329 existed?
N83.329 first appears in FY2018 (FY2017 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.