ICD-10-CM · Chapter 9 · I00–I99
I44.6
Other and unspecified fascicular block
Diseases of the circulatory system
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- I44.6
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 9 — Diseases of the circulatory system
- Category
- I44 — Atrioventricular and left bundle-branch block
- Specificity
- 4 characters
How coders use this code
ICD-10-CM I44.6 is a category (header) for other and unspecified fascicular block. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in I44
- I44Atrioventricular and left bundle-branch block
- I44.0Atrioventricular block, first degree
- I44.1Atrioventricular block, second degree
- I44.2Atrioventricular block, complete
- I44.3Other and unspecified atrioventricular block
- I44.30Unspecified atrioventricular block
- I44.39Other atrioventricular block
- I44.4Left anterior fascicular block
- I44.5Left posterior fascicular block
- I44.60Unspecified fascicular block
- I44.69Other fascicular block
- I44.7Left bundle-branch block, unspecified
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