I71.011 — Dissection of aortic arch
Is I71.011 billable?
Yes — I71.011 is billable for FY2027. I71.011 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I71.011 may be submitted for encounters from October 1, 2026 through September 30, 2027.
I71.011 at a glance
| Code | I71.011 |
|---|---|
| Description | Dissection of aortic arch |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does I71.011 group to?
I71.011 sits in MDC 05 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 299Peripheral Vascular Disorders with MCCmedical
- 300Peripheral Vascular Disorders with CCmedical
- 301Peripheral Vascular Disorders without CC/MCCmedical
As a secondary diagnosis, I71.011 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.
How is I71.011 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to I71.011. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dissection › aorta › thoracic › aortic arch
Code first — inherited from I71
The underlying condition below must be sequenced before I71.011. I71.011 describes a manifestation and cannot be the principal or first-listed diagnosis.
Excludes2 — not included here — inherited from Chapter 9
The conditions below are not part of I71.011, but a patient may have both at the same time. When documentation supports it, I71.011 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.-)
How long has I71.011 existed?
I71.011 first appears in FY2023.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.