Skip to content
HCC Buddy home

H70.813

Billable

Postauricular fistula, bilateral

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Abnormal tunnels or openings in the skin behind both ears, representing bilateral postauricular fistulas from chronic mastoid disease.

Coding Tips

  • •Bilateral fistulas are uncommon; ensure documentation explicitly confirms involvement of both ears
  • •Investigate for underlying systemic conditions or recurrent/inadequately treated mastoiditis

Code Hierarchy

└H70Mastoiditis and related conditions└H70.8Other mastoiditis and related conditions└H70.81Postauricular fistula└H70.813Postauricular fistula, bilateral
└H70.813Postauricular fistula, bilateral

Open H70.813 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial