H31.2
Non-Billable

Hereditary choroidal dystrophy

Non-Billable / Non-Specific Code

What is Hereditary choroidal dystrophy?

ICD-10-CM H31.2 is the diagnosis code for Hereditary choroidal dystrophy. This code falls under the section "Disorders of choroid and retina" within Chapter 7 — Diseases of the eye and adnexa (H00-H59). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for H31.2

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in H31.2. If the patient has both, code each condition separately:

  • hyperornithinemia (E72.4)
  • ornithinemia (E72.4)

ICD-10-CM Code Hierarchy

Understanding where H31.2 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 5 entries
H31.20Hereditary choroidal dystrophy, unspecifiedBillableH31.21ChoroideremiaBillableH31.22Choroidal dystrophy (central areolar) (generalized) (peripapillary)BillableH31.23Gyrate atrophy, choroidBillableH31.29Other hereditary choroidal dystrophyBillable
Related Codes

Frequently Asked Questions

Is H31.2 a billable ICD-10-CM code?

No, H31.2 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does H31.2 mean?

H31.2 is the ICD-10-CM diagnosis code for "Hereditary choroidal dystrophy". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of H31.2?

The parent code of H31.2 is H31 ("Other disorders of choroid"). H31.2 provides a more specific classification within this category.

What section is H31.2 in?

H31.2 is located in Section H30-H36 — "Disorders of choroid and retina" within Chapter 7 of the ICD-10-CM Tabular List.

What are the sub-codes of H31.2?

H31.2 has 5 sub-code(s) that provide more specific detail: H31.20, H31.21, H31.22, H31.23, H31.29.

When should I use H31.2?

Use H31.2 when the patients documented diagnosis matches "Hereditary choroidal dystrophy" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Hereditary choroidal dystrophy?

The ICD-10-CM code for Hereditary choroidal dystrophy is H31.2.

Can H31.2 be used for primary diagnosis?

No, H31.2 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is H31.2 in?

H31.2 is in Chapter 7 of the ICD-10-CM Tabular List.

Is H31.2 valid for 2026?

Yes, H31.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousH31.129Diffuse secondary atrophy of choroid, unspecified eyeNext →H31.20Hereditary choroidal dystrophy, unspecified
Code Details
H31.2
Hereditary choroidal dystrophy
Non-Billable / Non-Specific Code
7 — Diseases of the eye and adnexa (H00-H59)
H30-H36 — Disorders of choroid and retina
2026 ICD-10-CM