H18.30
Billable

Unspecified corneal membrane change

Billable / Specific Code

What is Unspecified corneal membrane change?

ICD-10-CM H18.30 is the diagnosis code for Unspecified corneal membrane change. This code falls under the section "Disorders of sclera, cornea, iris and ciliary body" within Chapter 7 — Diseases of the eye and adnexa (H00-H59). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for H18.30

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where H18.30 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is H18.30 a billable ICD-10-CM code?

Yes, H18.30 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does H18.30 mean?

H18.30 is the ICD-10-CM diagnosis code for "Unspecified corneal membrane change". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of H18.30?

The parent code of H18.30 is H18.3 ("Changes of corneal membranes"). H18.30 provides a more specific classification within this category.

What section is H18.30 in?

H18.30 is located in Section H15-H22 — "Disorders of sclera, cornea, iris and ciliary body" within Chapter 7 of the ICD-10-CM Tabular List.

When should I use H18.30?

Use H18.30 when the patients documented diagnosis matches "Unspecified corneal membrane change" 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 Unspecified corneal membrane change?

The ICD-10-CM code for Unspecified corneal membrane change is H18.30.

Can H18.30 be used for primary diagnosis?

Yes, H18.30 can be used as a primary diagnosis code since it is billable and specific.

What chapter is H18.30 in?

H18.30 is in Chapter 7 of the ICD-10-CM Tabular List.

Is H18.30 valid for 2026?

Yes, H18.30 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousH18.3Changes of corneal membranesNext →H18.31Folds and rupture in Bowman's membrane
Code Details
H18.30
Unspecified corneal membrane change
Billable / Specific Code
7 — Diseases of the eye and adnexa (H00-H59)
H15-H22 — Disorders of sclera, cornea, iris and ciliary body
2026 ICD-10-CM