DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

H75 Other disorders of middle ear and mastoid in diseases classified elsewhere

  • Header · not billable

H75 is not billable. The category heads 8 billable codes in FY2027, grouped under 2 subdivisions.

Index → code

  • Disorder (of)earmiddlespecified NEC, in diseases classified elsewhere → H75.8-

Where it sits

  1. Chapter 8 Diseases of the ear and mastoid process (H60-H95)
  2. H65-H75 Diseases of middle ear and mastoid (H65-H75)
  3. H75 Other disorders of middle ear and mastoid in diseases classified elsewhere
Billable codes
8
Subdivisions
2
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
3

Codes in H75

  1. H75.0
    Mastoiditis in infectious and parasitic diseases classified elsewhere
    Header
    Excludes1 3

    Excludes1

    • mastoiditis (in):
    • syphilis (A52.77) A52.77
    • tuberculosis (A18.03) A18.03
  2. H75.00
    Mastoiditis in infectious and parasitic diseases classified elsewhere, unspecified ear
    Billable
  3. H75.01
    Mastoiditis in infectious and parasitic diseases classified elsewhere, right ear
    Billable
  4. H75.02
    Mastoiditis in infectious and parasitic diseases classified elsewhere, left ear
    Billable
  5. H75.03
    Mastoiditis in infectious and parasitic diseases classified elsewhere, bilateral
    Billable
  6. H75.8
    Other specified disorders of middle ear and mastoid in diseases classified elsewhere
    Header
  7. H75.80
    Other specified disorders of middle ear and mastoid in diseases classified elsewhere, unspecified ear
    Billable
  8. H75.81
    Other specified disorders of right middle ear and mastoid in diseases classified elsewhere
    Billable
  9. H75.82
    Other specified disorders of left middle ear and mastoid in diseases classified elsewhere
    Billable
  10. H75.83
    Other specified disorders of middle ear and mastoid in diseases classified elsewhere, bilateral
    Billable

Sources of each column.

Instructions

At H75

Code first

  • underlying disease

Notes that also apply

Chapter 8 instructions (Notes 1, Excludes2 8): printed on the chapter 8 page.

Index entries

  • Mastoiditis (coalescent) (hemorrhagic) (suppurative)in (due to)parasitic disease NEC → B89 [H75.0-]
  • Mastoiditis (coalescent) (hemorrhagic) (suppurative)in (due to)infectious disease NEC → B99 [H75.0-]
  • Disorder (of)earmiddlespecified NEC, in diseases classified elsewhere → H75.8-

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy