2021 ICD-10-CM Diagnosis Code H18.412

Arcus senilis, left eye

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • H18.412 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM H18.412 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H18.412 - other international versions of ICD-10 H18.412 may differ.
The following code(s) above H18.412 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 H18.412:
  • H00-H59
    2021 ICD-10-CM Range H00-H59

    Diseases of the eye and adnexa

    • 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
  • H18.4
    ICD-10-CM Diagnosis Code H18.4

    Corneal degeneration

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Corneal degeneration
  • H18.41
    ICD-10-CM Diagnosis Code H18.41

    Arcus senilis

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Senile corneal changes
    Arcus senilis
Approximate Synonyms
  • Left arcus senilis
  • Left arcus senilis (eye condition)
ICD-10-CM H18.412 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 124 Other disorders of the eye with mcc
  • 125 Other disorders of the eye without mcc

Convert H18.412 to ICD-9-CM

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
ICD-10-CM Codes Adjacent To H18.412
H18.329 …… unspecified eye
H18.33 Rupture in Descemet's membrane
H18.331 …… right eye
H18.332 …… left eye
H18.333 …… bilateral
H18.339 …… unspecified eye
H18.4 Corneal degeneration
H18.40 Unspecified corneal degeneration
H18.41 Arcus senilis
H18.411 …… right eye
H18.412 …… left eye
H18.413 …… bilateral
H18.419 …… unspecified eye
H18.42 Band keratopathy
H18.421 …… right eye
H18.422 …… left eye
H18.423 …… bilateral
H18.429 …… unspecified eye
H18.43 Other calcerous corneal degeneration
H18.44 Keratomalacia
H18.441 …… right eye

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