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ICD-10-CM 2027

ICD-10 code for choroid detachment

H31.40

Unspecified choroidal detachment

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Detachment › choroid (old) (postinfectional) (simple) (spontaneous)”. Page updated September 29, 2026.

About coding choroid detachment

The ICD-10-CM code for choroid detachment is H31.40 (Unspecified choroidal detachment). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on H31.40.

Within H31.4, choose H31.40 (Unspecified choroidal detachment) only when documentation doesn't support a more specific option: hemorrhagic choroidal detachment (H31.41) and serous choroidal detachment (H31.42).

To report this condition, pick the subcode that matches the documentation: H31.401 (right eye), H31.402 (left eye), H31.403 (bilateral) and H31.409 (unspecified eye).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

More specific choroid detachment codes (official index)

  • hemorrhagic H31.41 — Hemorrhagic choroidal detachment
  • serous H31.42 — Serous choroidal detachment

Common questions about choroid detachment ICD-10 codes

What is the ICD-10 code for choroid detachment?

H31.40 — Unspecified choroidal detachment (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: H31.41, H31.42.

What is the ICD-10 code for hemorrhagic choroid detachment?

H31.41 — Hemorrhagic choroidal detachment (header code; choose a more specific subcode).

What is the ICD-10 code for serous choroid detachment?

H31.42 — Serous choroidal detachment (header code; choose a more specific subcode).

Is H31.40 billable?

No. H31.40 is a header code. Report one of its more specific subcodes instead.