Q51.818 — Other congenital malformations of uterus
Is Q51.818 billable?
Yes — Q51.818 is billable for FY2027. Q51.818 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Q51.818 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Q51.818 at a glance
| Code | Q51.818 |
|---|---|
| Description | Other congenital malformations of uterus |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does Q51.818 group to?
Q51.818 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 Q51.818 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Q51.818. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Atresia, atretic › uterus
- Rudimentary › uterus (congenital)
- Triple › uteri
- Anomaly, anomalous › Müllerian › uterus NEC (congenital) (unspecified type)
- Anteversion › uterus, uterine › congenital
- Cyst › uterus › embryonic (colloid) (mucous) (simple) (retention)
- Imperfect › closure › uterus
- Lateroversion › uterus, uterine › congenital
- Malformation › uterus › specified type NEC (congenital)
- Malposition › congenital › uterus
- Prolapse, prolapsed › uterus › congenital
- Retroversion, retroverted › uterus › congenital
Inclusion terms
Alternative wording in documentation that is classified to Q51.818.
- Müllerian anomaly of uterus NEC
Excludes1 — never code together — inherited from Q50-Q56
The conditions below can never be reported together with Q51.818 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 17
The conditions below are not part of Q51.818, but a patient may have both at the same time. When documentation supports it, Q51.818 and the excluded code may both be reported.
- inborn errors of metabolism (E70-E88)
How long has Q51.818 existed?
Q51.818 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.