2021 ICD-10-CM Diagnosis Code H33.191

Other retinoschisis and retinal cysts, right eye

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • H33.191 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 H33.191 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H33.191 - other international versions of ICD-10 H33.191 may differ.
The following code(s) above H33.191 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 H33.191:
  • 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
  • H33
    ICD-10-CM Diagnosis Code H33

    Retinal detachments and breaks

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Retinal detachments and breaks
  • H33.1
    ICD-10-CM Diagnosis Code H33.1

    Retinoschisis and retinal cysts

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • congenital retinoschisis (Q14.1)
    • microcystoid degeneration of retina (H35.42-)
    Retinoschisis and retinal cysts
  • H33.19
    ICD-10-CM Diagnosis Code H33.19

    Other retinoschisis and retinal cysts

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Pseudocyst of retina
    Other retinoschisis and retinal cysts
Approximate Synonyms
  • Degenerative retinoschisis of right eye
  • Right bullous retinoschisis
  • Right degenerative retinoschisis (eye condition)
  • Right flat retinoschisis
  • Right primary retinal cyst
  • Right primary retinal cyst (eye condition)
  • Right retinal pseudocyst
  • Right retinal pseudocyst (eye condition)
  • Right secondary retinal cyst
  • Right secondary retinal cyst (eye condition)
ICD-10-CM H33.191 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 H33.191 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 H33.191
H33.111 …… right eye
H33.112 …… left eye
H33.113 …… bilateral
H33.119 …… unspecified eye
H33.12 Parasitic cyst of retina
H33.121 …… right eye
H33.122 …… left eye
H33.123 …… bilateral
H33.129 …… unspecified eye
H33.19 Other retinoschisis and retinal cysts
H33.191 …… right eye
H33.192 …… left eye
H33.193 …… bilateral
H33.199 …… unspecified eye
H33.2 Serous retinal detachment
H33.20 …… unspecified eye
H33.21 …… right eye
H33.22 …… left eye
H33.23 …… bilateral
H33.3 Retinal breaks without detachment
H33.30 Unspecified retinal break

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