H61.399

Other acquired stenosis of external ear canal, unspecified ear

FY2027Chapter 8: Diseases of the ear and mastoid process/H60–H62 Diseases of external ear

BillableComplete code, valid to report

H61.399 (also written H61399) is a billable ICD-10-CM diagnosis code for other acquired stenosis of external ear canal, unspecified ear. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 64 codes in category H61 (Other disorders of external ear). Its coding notes include 1 Excludes1 entry and 8 Excludes2 entries.

Excludes1

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

Inherited from H61.3 Acquired stenosis of external ear canal
  • postprocedural stenosis of external ear canal (H95.81-)

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)

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