ICDcodes.org
FY2027

I97.820Postprocedural cerebrovascular infarction following cardiac surgery

BillableCC

Is I97.820 billable?

Yes — I97.820 is billable for FY2027. I97.820 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I97.820 may be submitted for encounters from October 1, 2026 through September 30, 2027.

I97.820 at a glance

CodeI97.820
DescriptionPostprocedural cerebrovascular infarction following cardiac surgery
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does I97.820 group to?

I97.820 sits in MDC 01 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.

  • 091Other Disorders of Nervous System with MCCmedical
  • 092Other Disorders of Nervous System with CCmedical
  • 093Other Disorders of Nervous System without CC/MCCmedical

As a secondary diagnosis, I97.820 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.

How is I97.820 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to I97.820. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Strokepostproceduralfollowing cardiac surgery (apoplectic) (brain) (ischemic) (paralytic)
  • Infarct, infarctioncerebralpostproceduralfollowing cardiac surgery

Use additional code — inherited from I97.8

Report an additional code alongside I97.820 to fully describe the condition. I97.820 is sequenced first.

  • code, if applicable, to further specify disorder

Excludes2 — not included here — inherited from Chapter 9

The conditions below are not part of I97.820, but a patient may have both at the same time. When documentation supports it, I97.820 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 I97

The conditions below are not part of I97.820, but a patient may have both at the same time. When documentation supports it, I97.820 and the excluded code may both be reported.

How long has I97.820 existed?

I97.820 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Description changes
  • FY2018
    Postprocedural cerebrovascular infarction during cardiac surgery
    Postprocedural cerebrovascular infarction following cardiac surgery

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to I97.820?

What other codes are in the I97.82 family? (1)