Emergency: 119
AMDA-IMIC

I43 Cardiomyopathy in diseases classified elsewhere

Billable

Block: Other forms of heart disease (I30-I5A)

Excludes 1 (cannot be coded together)

  • cardiomyopathy (in):
  • coxsackie (virus) (B33.24)
  • diphtheria (A36.81)
  • sarcoidosis (D86.85)
  • tuberculosis (A18.84)

Code First

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • glycogen storage disease (E74.0-)
  • gout (M10.0-)
  • thyrotoxicosis (E05.0-E05.9-)
✓
This category is a complete, billable diagnosis code.

No additional specificity is required — submit I43 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026