Alphabetic Index FY2027

H90.8

Mixed conductive and sensorineural hearing loss, unspecified

FY2027Chapter 8: Diseases of the ear and mastoid process/H90–H94 Other disorders of ear

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Other

H90.8 (also written H908) is a billable ICD-10-CM diagnosis code for mixed conductive and sensorineural hearing loss, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 18 codes in category H90 (Conductive and sensorineural hearing loss). The Alphabetic Index lists it under 4 entries. Its coding notes include 6 Excludes1 entries and 8 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from H90 Conductive and sensorineural hearing loss
  • deaf nonspeaking NEC (H91.3)
  • deafness NOS (H91.9-)
  • hearing loss NOS (H91.9-)
  • noise-induced hearing loss (H83.3-)
  • ototoxic hearing loss (H91.0-)
  • sudden (idiopathic) hearing loss (H91.2-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 8 Diseases of the ear and mastoid process
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 8 Diseases of the ear and mastoid process
  • Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 4 entries