2020 ICD-10-CM Diagnosis Code H31.121

Diffuse secondary atrophy of choroid, right eye

    2016 2017 2018 2019 2020 Billable/Specific Code
  • H31.121 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM H31.121 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of H31.121 - other international versions of ICD-10 H31.121 may differ.
The following code(s) above H31.121 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 H31.121:
  • H00-H59
    2020 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
  • H31.1
    ICD-10-CM Diagnosis Code H31.1

    Choroidal degeneration

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • angioid streaks of macula (H35.33)
    Choroidal degeneration
Approximate Synonyms
  • Right diffuse secondary choroid atrophy
ICD-10-CM H31.121 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 124 Other disorders of the eye with mcc
  • 125 Other disorders of the eye without mcc

Convert H31.121 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
ICD-10-CM Codes Adjacent To H31.121
H31.101 Choroidal degeneration, unspecified, right eye
H31.102 Choroidal degeneration, unspecified, left eye
H31.103 Choroidal degeneration, unspecified, bilateral
H31.109 Choroidal degeneration, unspecified, unspecified eye
H31.11 Age-related choroidal atrophy
H31.111 …… right eye
H31.112 …… left eye
H31.113 …… bilateral
H31.119 …… unspecified eye
H31.12 Diffuse secondary atrophy of choroid
H31.121 …… right eye
H31.122 …… left eye
H31.123 …… bilateral
H31.129 …… unspecified eye
H31.2 Hereditary choroidal dystrophy
H31.20 …… unspecified
H31.21 Choroideremia
H31.22 Choroidal dystrophy (central areolar) (generalized) (peripapillary)
H31.23 Gyrate atrophy, choroid
H31.29 Other hereditary choroidal dystrophy
H31.3 Choroidal hemorrhage and rupture

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