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H70.8 Other mastoiditis and related conditions

Non-Billable/Non-Specific

Type 1 Excludes

  • preauricular sinus and cyst (Q18.1)
  • sinus, fistula, and cyst of branchial cleft (Q18.0)

Codes

  • H70.81Postauricular fistula
    • H70.811Postauricular fistula, right ear
    • H70.812Postauricular fistula, left ear
    • H70.813Postauricular fistula, bilateral
    • H70.819Postauricular fistula, unspecified ear
  • H70.89Other mastoiditis and related conditions
    • H70.891Other mastoiditis and related conditions, right ear
    • H70.892Other mastoiditis and related conditions, left ear
    • H70.893Other mastoiditis and related conditions, bilateral
    • H70.899Other mastoiditis and related conditions, unspecified ear