2021 ICD-10-CM Diagnosis Code H17.9

Unspecified corneal scar and opacity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • H17.9 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 H17.9 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H17.9 - other international versions of ICD-10 H17.9 may differ.
The following code(s) above H17.9 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 H17.9:
  • 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
Approximate Synonyms
  • Bilateral corneal scar
  • Corneal opacities both eyes
  • Corneal opacity
  • Corneal scar
  • Corneal scar (eye condition)
  • Left corneal opacity
  • Left corneal scar
  • Opacity of cornea of bilateral eyes
  • Opacity of cornea of left eye
  • Opacity of cornea of right eye
  • Right corneal opacity
  • Right corneal scar
  • Scar of cornea of bilateral eyes
  • Scar of cornea of left eye
  • Scar of cornea of right eye
ICD-10-CM H17.9 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 H17.9 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

Diagnosis Index entries containing back-references to H17.9:
  • Cicatrix (adherent) (contracted) (painful) (vicious) L90.5
    - see also Scar
    ICD-10-CM Diagnosis Code L90.5

    Scar conditions and fibrosis of skin

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Adherent scar (skin)
    • Cicatrix
    • Disfigurement of skin due to scar
    • Fibrosis of skin NOS
    • Scar NOS
    Type 2 Excludes
  • Scar, scarring L90.5
    - see also Cicatrix
    ICD-10-CM Diagnosis Code L90.5

    Scar conditions and fibrosis of skin

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Adherent scar (skin)
    • Cicatrix
    • Disfigurement of skin due to scar
    • Fibrosis of skin NOS
    • Scar NOS
    Type 2 Excludes

ICD-10-CM Codes Adjacent To H17.9
H17.811 …… right eye
H17.812 …… left eye
H17.813 …… bilateral
H17.819 …… unspecified eye
H17.82 Peripheral opacity of cornea
H17.821 …… right eye
H17.822 …… left eye
H17.823 …… bilateral
H17.829 …… unspecified eye
H17.89 Other corneal scars and opacities
H17.9 Unspecified corneal scar and opacity
H18 Other disorders of cornea
H18.0 Corneal pigmentations and deposits
H18.00 Unspecified corneal deposit
H18.001 …… right eye
H18.002 …… left eye
H18.003 …… bilateral
H18.009 …… unspecified eye
H18.01 Anterior corneal pigmentations
H18.011 …… right eye
H18.012 …… left eye

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