2021 ICD-10-CM Diagnosis Code H16.431

Localized vascularization of cornea, right eye

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • H16.431 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 H16.431 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H16.431 - other international versions of ICD-10 H16.431 may differ.
The following code(s) above H16.431 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 H16.431:
  • 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
Approximate Synonyms
  • Localized vascularization of right cornea
  • R localized corneal vascularization
  • Right localized vascularization of cornea
ICD-10-CM H16.431 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 H16.431 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 H16.431
H16.411 …… right eye
H16.412 …… left eye
H16.413 …… bilateral
H16.419 …… unspecified eye
H16.42 Pannus (corneal)
H16.421 …… right eye
H16.422 …… left eye
H16.423 …… bilateral
H16.429 …… unspecified eye
H16.43 Localized vascularization of cornea
H16.431 …… right eye
H16.432 …… left eye
H16.433 …… bilateral
H16.439 …… unspecified eye
H16.44 Deep vascularization of cornea
H16.441 …… right eye
H16.442 …… left eye
H16.443 …… bilateral
H16.449 …… unspecified eye
H16.8 Other keratitis
H16.9 Unspecified keratitis

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