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ICD-10-CM Codes
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H00-H59
Diseases of the eye and adnexa
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H30-H36
Disorders of choroid and retina
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H31-
Other disorders of choroid
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2020 ICD-10-CM Diagnosis Code H31.21
2020 ICD-10-CM Diagnosis Code H31.21
Choroideremia
2016 2017 2018 2019 2020 Billable/Specific Code
- H31.21 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 H31.21 became effective on October 1, 2019.
- This is the American ICD-10-CM version of H31.21 - other international versions of ICD-10 H31.21 may differ.
The following code(s) above
H31.21 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
H31.21:
- Choroideremia (eye condition)
Clinical Information
- A rare, x-linked inherited disorder characterized by choroid atrophy and retinal degeneration. It leads to progressive loss of vision.
- An x chromosome-linked abnormality characterized by atrophy of the choroid and degeneration of the retinal pigment epithelium causing night blindness.
ICD-10-CM H31.21 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 H31.21 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
- Choroideremia H31.21
- Dystrophy, dystrophia
- choroid (hereditary) H31.20
ICD-10-CM Diagnosis Code H31.20
Hereditary choroidal dystrophy, unspecified
2016 2017 2018 2019 2020 Billable/Specific Code
ICD-10-CM Codes Adjacent To H31.21
H31.12 Diffuse secondary atrophy of choroid
H31.2 Hereditary choroidal dystrophy
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
H31.30 Unspecified choroidal hemorrhage
H31.31 Expulsive choroidal hemorrhage
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
