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ICD-10-CM Codes
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H00-H59
Diseases of the eye and adnexa
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H15-H22
Disorders of sclera, cornea, iris and ciliary body
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H21-
Other disorders of iris and ciliary body
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2021 ICD-10-CM Diagnosis Code H21.1X
2021 ICD-10-CM Diagnosis Code H21.1X
Other vascular disorders of iris and ciliary body
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- H21.1X should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2021 edition of ICD-10-CM H21.1X became effective on October 1, 2020.
- This is the American ICD-10-CM version of H21.1X - other international versions of ICD-10 H21.1X may differ.
The following code(s) above
H21.1X 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
H21.1X:
- H00-H59
2021 ICD-10-CM Range H00-H59
Diseases of the eye and adnexaNote- 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)
- H21
ICD-10-CM Diagnosis Code H21
Other disorders of iris and ciliary body
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- H21.1
ICD-10-CM Diagnosis Code H21.1
Other vascular disorders of iris and ciliary body
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Applicable To- Neovascularization of iris or ciliary body
- Rubeosis iridis
- Rubeosis of iris
- 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
- Disorder (of) - see also Disease
- iris H21.9
ICD-10-CM Diagnosis Code H21.9
Unspecified disorder of iris and ciliary body
2016 2017 2018 2019 2020 2021 Billable/Specific Code
ICD-10-CM Codes Adjacent To H21.1X
H20.9 Unspecified iridocyclitis
H21 Other disorders of iris and ciliary body
H21.1 Other vascular disorders of iris and ciliary body
H21.1X
Other vascular disorders of iris and ciliary body
H21.2 Degeneration of iris and ciliary body
H21.21 Degeneration of chamber angle
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
