2021 ICD-10-CM Diagnosis Code H18.89

Other specified disorders of cornea

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • H18.89 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM H18.89 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H18.89 - other international versions of ICD-10 H18.89 may differ.
The following code(s) above H18.89 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to H18.89:
  • H00-H59
    2021 ICD-10-CM Range H00-H59

    Diseases of the eye and adnexa

    Note
    • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
    Type 2 Excludes
    • 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)
    • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury (trauma) of eye and orbit (S05.-)
    • 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)
    • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
    Diseases of the eye and adnexa
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to H18.89:
  • Cyst (colloid) (mucous) (simple) (retention)
    • cornea H18.89-
  • Disease, diseased - see also Syndrome
    • cornea H18.9
      ICD-10-CM Diagnosis Code H18.9

      Unspecified disorder of cornea

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • specified NEC H18.89-
  • Disorder (of) - see also Disease
    • cornea H18.9
      ICD-10-CM Diagnosis Code H18.9

      Unspecified disorder of cornea

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • specified type NEC H18.89-
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) I96
    - see also Necrosis
    ICD-10-CM Diagnosis Code I96

    Gangrene, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Gangrenous cellulitis
    Type 1 Excludes
    Type 2 Excludes
    • gangrene in diabetes mellitus (E08-E13 with .52)
    • cornea H18.89-
  • Necrosis, necrotic (ischemic) - see also Gangrene
    • cornea H18.89-
  • Xerosis

ICD-10-CM Codes Adjacent To H18.89
H18.82 Corneal disorder due to contact lens
H18.821 …… right eye
H18.822 …… left eye
H18.823 …… bilateral
H18.829 …… unspecified eye
H18.83 Recurrent erosion of cornea
H18.831 …… right eye
H18.832 …… left eye
H18.833 …… bilateral
H18.839 …… unspecified eye
H18.89 Other specified disorders of cornea
H18.891 …… right eye
H18.892 …… left eye
H18.893 …… bilateral
H18.899 …… unspecified eye
H18.9 Unspecified disorder of cornea
H20 Iridocyclitis
H20.0 Acute and subacute iridocyclitis
H20.00 Unspecified acute and subacute iridocyclitis
H20.01 Primary iridocyclitis
H20.011 …… right eye

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.