I71.019 — Dissection of thoracic aorta, unspecified
Is I71.019 billable?
Yes, but I71.019 is an unspecified code. I71.019 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, I71.019 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting I71.019 — the more specific alternatives are listed below.
I71.019 at a glance
| Code | I71.019 |
|---|---|
| Description | Dissection of thoracic aorta, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does I71.019 group to?
I71.019 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, I71.019 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.
How is I71.019 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to I71.019. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dissection › aorta › thoracic
- Hematoma › aorta, dissecting › thoracic (traumatic) (skin surface intact)
Code first — inherited from I71
The underlying condition below must be sequenced before I71.019. I71.019 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 I71.019, but a patient may have both at the same time. When documentation supports it, I71.019 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 I71.019 existed?
I71.019 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.