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H70.001

Billable

Acute mastoiditis without complications, right ear

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

What This Code Means

An acute infection and inflammation of the mastoid bone (the bone behind the ear) in the right ear without additional complications.

Coding Tips

  • •Confirm the mastoiditis is acute and without complications; if complications are present, use H70.01x or H70.09x codes
  • •Verify right ear laterality is documented to distinguish from left ear or bilateral codes

Code Hierarchy

└H70Mastoiditis and related conditions└H70.0Acute mastoiditis└H70.00Acute mastoiditis without complications└H70.001Acute mastoiditis without complications, right ear
└H70.001Acute mastoiditis without complications, right ear

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