I35.0 — Nonrheumatic aortic (valve) stenosis
Is I35.0 billable?
Yes — I35.0 is billable for FY2027. I35.0 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I35.0 may be submitted for encounters from October 1, 2026 through September 30, 2027.
I35.0 at a glance
| Code | I35.0 |
|---|---|
| Description | Nonrheumatic aortic (valve) stenosis |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does I35.0 group to?
I35.0 sits in MDC 05 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.
- 306Cardiac Congenital and Valvular Disorders with MCCmedical
- 307Cardiac Congenital and Valvular Disorders without MCCmedical
How is I35.0 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to I35.0. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Stenosis, stenotic › aortic (cicatricial)
- Stenosis, stenotic › aortic › specified cause NEC (cicatricial)
Excludes2 — not included here — inherited from Chapter 9
The conditions below are not part of I35.0, but a patient may have both at the same time. When documentation supports it, I35.0 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)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Excludes2 — not included here — inherited from I35
The conditions below are not part of I35.0, but a patient may have both at the same time. When documentation supports it, I35.0 and the excluded code may both be reported.
Code also — inherited from I35
Two codes may be needed to describe the condition fully. Whether I35.0 is sequenced first depends on the reason for the encounter.
- , if applicable, bicuspid aortic valve (Q23.81)
How long has I35.0 existed?
I35.0 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.