Heart Block ICD-10-CM Codes

Which Heart Block ICD Codes Are Billable?

• I44.0: Yes, for documenting first-degree Heart Block.
• I44.1: Yes, for diagnosing second-degree Heart Block.
• I44.2: Yes, specific to complete atrioventricular block.
• I44.3: Yes, for other and unspecified atrioventricular blocks.
• I44.4: Yes, for left anterior fascicular block.
• I44.5: Yes, for left posterior fascicular block.
• I44.6: Yes, other and unspecified fascicular blocks.
• I44.7: Yes, specific to left bundle-branch block.
• I45.10: Yes, for unspecified bundle-branch block.

Clinical Information

Heart Block refers to a delay or obstruction in the heart's electrical pathways. Here's a detailed look at its clinical aspects:

• It may be congenital or acquired
• Symptoms include dizziness, fainting, fatigue, and palpitations
• Divided into degrees and types based on the severity
• First-degree is a delay without missing beats
• Second-degree misses some beats
• Third-degree, or complete block, requires immediate treatment
• Treatment may include medications or pacemaker implantation

Synonyms Include:

• Atrioventricular block
• Bundle-branch block
• AV block
• Cardiac block
• Electrical heart block