ICD-10 Code H95.31 – Accidental puncture and laceration of the ear and mastoid process during a procedure on the ear and mastoid process (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H95.31 – Accidental puncture and laceration of the ear and mastoid process during a procedure on the ear and mastoid process
What it is
This code identifies an accidental puncture or tear involving the ear or mastoid process that occurs during a procedure on that same area. Use it when the injury is documented as a procedural complication, not as the primary reason for care.
Clinical signs
Clinical features vary; refer to documentation. Findings may include a recognized perforation, laceration, bleeding, or unexpected tissue injury noted during or after the procedure.
When to use this code
Use this code when the record clearly states that the ear or mastoid was accidentally punctured or lacerated during surgery, biopsy, or another procedure on the ear or mastoid process. You should code the complication only when the provider links the injury to the procedure. If the documentation is unclear about timing or cause, check documentation.
Do not use for
Do not use this code for pre-existing ear trauma, intentional surgical incision, or complications unrelated to a procedure on the ear or mastoid process. Do not assign it if the injury site or cause is not documented.
Coding tip
Confirm that the complication occurred during a procedure on the ear or mastoid process and is explicitly documented as accidental.