N83.12 — Corpus luteum cyst of left ovary
Is N83.12 billable?
Yes — N83.12 is billable for FY2027. N83.12 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. N83.12 may be submitted for encounters from October 1, 2026 through September 30, 2027.
N83.12 at a glance
| Code | N83.12 |
|---|---|
| Description | Corpus luteum cyst of left ovary |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does N83.12 group to?
N83.12 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 N83.12 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under N83.1, the nearest indexed parent of N83.12. Use them to find the family, then select the specific code.
- Cyst › granulosal lutein (colloid) (mucous) (simple) (retention)
- Cyst › lutein (colloid) (mucous) (simple) (retention)
- Cyst › theca lutein (colloid) (mucous) (simple) (retention)
- Cystic › corpora lutea
- Hemorrhage, hemorrhagic › corpus luteumcyst (concealed)
- Rupture, ruptured › corpus luteum
- Cyst › corpus › luteum (colloid) (mucous) (simple) (retention)
- Cyst › ovary, ovarian › theca lutein (colloid) (mucous) (simple) (retention)
Excludes2 — not included here — inherited from Chapter 14
The conditions below are not part of N83.12, but a patient may have both at the same time. When documentation supports it, N83.12 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 N83.12, but a patient may have both at the same time. When documentation supports it, N83.12 and the excluded code may both be reported.
- hydrosalpinx (N70.1-)
How long has N83.12 existed?
N83.12 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.