I49.81 — Brugada syndrome
Is I49.81 billable?
Yes — I49.81 is billable for FY2027. I49.81 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I49.81 may be submitted for encounters from October 1, 2026 through September 30, 2027. I49.81 is new in FY2027.
I49.81 at a glance
| Code | I49.81 |
|---|---|
| Description | Brugada syndrome |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| FY2027 change | New in FY2027 |
Which MS-DRGs does I49.81 group to?
I49.81 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.
- 308Cardiac Arrhythmia and Conduction Disorders with MCCmedical
- 309Cardiac Arrhythmia and Conduction Disorders with CCmedical
- 310Cardiac Arrhythmia and Conduction Disorders without CC/MCCmedical
How is I49.81 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to I49.81. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Syndrome › Brugada
Code first — inherited from I49
The underlying condition below must be sequenced before I49.81. I49.81 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 I49.81, but a patient may have both at the same time. When documentation supports it, I49.81 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 I49
The conditions below are not part of I49.81, but a patient may have both at the same time. When documentation supports it, I49.81 and the excluded code may both be reported.