N46.121 — Oligospermia due to drug therapy
Is N46.121 billable?
Yes — N46.121 is billable for FY2027. N46.121 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. N46.121 may be submitted for encounters from October 1, 2026 through September 30, 2027.
N46.121 at a glance
| Code | N46.121 |
|---|---|
| Description | Oligospermia due to drug therapy |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does N46.121 group to?
N46.121 sits in MDC 12 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.
- 729Other Male Reproductive System Diagnoses with CC/MCCmedical
- 730Other Male Reproductive System Diagnoses without CC/MCCmedical
How is N46.121 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to N46.121. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Oligospermia › due to › drug therapy
- Infertility › male › oligospermia › extratesticular cause › drug therapy
Excludes1 — never code together — inherited from N46
The conditions below can never be reported together with N46.121 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- vasectomy status (Z98.52)
Excludes2 — not included here — inherited from Chapter 14
The conditions below are not part of N46.121, but a patient may have both at the same time. When documentation supports it, N46.121 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)
Code also — inherited from N46.12
Two codes may be needed to describe the condition fully. Whether N46.121 is sequenced first depends on the reason for the encounter.
- associated cause
How long has N46.121 existed?
N46.121 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.