Granulation of postmastoidectomy cavity, left ear

This code signifies the presence of granulation tissue formation within the mastoid cavity following a mastoidectomy procedure, specifically affecting the left ear. Granulation tissue is a common finding during the healing process but can sometimes be excessive or indicative of chronic inflammation or infection.

Use this code when documentation clearly indicates the presence of granulation tissue in the left post-mastoidectomy cavity. This typically occurs during follow-up examinations after mastoidectomy, where the otolaryngologist observes and documents this specific finding.

• Ensure the documentation specifies "granulation" and not simply "inflammation" or "infection" without further detail.
• Verify the laterality is explicitly stated as "left ear" to support this specific code.
• Consider co-reporting with codes for any underlying infection (e.g., chronic otitis media) if documented as the cause of the granulation.