I44.1

✓ Billable

Atrioventricular block, second degree

Diseases of the circulatory system (I00-I99)

Also Known As

Atrioventricular block, type I and IIMöbitz block, type I and IISecond degree block, type I and IIWenckebach's block

✅ No additional coding notes for I44.1

🧪 Validate Combinations

Add I44.1 to the Excludes Checker to validate against your full code list.

Code Information

CodeI44.1

BillableYes

ParentI44

CategoryDiseases of the circulatory system (I00-I99)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)