ICD Code I44.1

ICD code I44.1 is second-degree atrioventricular (AV) block, a heart condition where the electrical signals between the heart’s upper and lower chambers are partially blocked, causing irregular heartbeats.

1. Evidence of intermittent failure of atrial impulses to conduct to the ventricles.

2. Presence of dropped QRS complexes on ECG, typically in a regular pattern.

3. Progressive prolongation of the PR interval (Mobitz type I/Wenckebach) or sudden dropped QRS without PR prolongation (Mobitz type II).

4. Symptoms may include dizziness, syncope, fatigue, or may be asymptomatic.

5. No evidence of complete (third-degree) atrioventricular block.

6. Exclusion of other causes of AV conduction delay, such as medication effects or electrolyte imbalances.

Relevant CPT codes that may be used to treat ICD code I44.1 include:

- 93000 (Electrocardiogram, routine ECG with at least 12 leads; with interpretation and report)

- 93224 (External electrocardiographic recording up to 48 hours by continuous rhythm recording and storage; includes recording, scanning analysis with report, physician review and interpretation)

- 93268 (External patient and physician-activated electrocardiographic rhythm derived event recording with memory loop, 30 days)

- 33206 (Insertion of new or replacement of permanent pacemaker with transvenous electrode(s); atrial)

- 33207 (Insertion of new or replacement of permanent pacemaker with transvenous electrode(s); ventricular)

- 33208 (Insertion of new or replacement of permanent pacemaker with transvenous electrode(s); atrial and ventricular)

- 33210 (Insertion or replacement of temporary transvenous single chamber cardiac electrode or pacemaker catheter)

- 33211 (Insertion or replacement of temporary transvenous dual chamber cardiac electrode(s) or pacemaker catheter(s))

- 93279–93289 (Comprehensive electrophysiologic evaluation codes, as applicable)

These CPT codes are commonly associated with the evaluation and management of I44.1.

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