I44.3
Header — not billableOther and unspecified atrioventricular block
The ICD-10 code for other and unspecified atrioventricular block is I44.3.
I44.3 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Atrioventricular block NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under I44.3
Related codes in this category
- I44.0Atrioventricular block, first degree
- I44.1Atrioventricular block, second degree
- I44.2Atrioventricular block, complete
- I44.4Left anterior fascicular block
- I44.5Left posterior fascicular block
- I44.6Other and unspecified fascicular blocknon-billable header
- I44.7Left bundle-branch block, unspecified
- I44.3Other and unspecified atrioventricular blocknon-billable header