H18.712
Billable

Corneal ectasia, left eye

Billable / Specific Code

What is Corneal ectasia, left eye?

ICD-10-CM H18.712 is the diagnosis code for Corneal ectasia, left eye. 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 H18.712

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 H18.712 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is H18.712 a billable ICD-10-CM code?

Yes, H18.712 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does H18.712 mean?

H18.712 is the ICD-10-CM diagnosis code for "Corneal ectasia, left eye". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of H18.712?

The parent code of H18.712 is H18.71 ("Corneal ectasia"). H18.712 provides a more specific classification within this category.

What section is H18.712 in?

H18.712 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 H18.712?

Use H18.712 when the patients documented diagnosis matches "Corneal ectasia, left eye" 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 Corneal ectasia, left eye?

The ICD-10-CM code for Corneal ectasia, left eye is H18.712.

Can H18.712 be used for primary diagnosis?

Yes, H18.712 can be used as a primary diagnosis code since it is billable and specific.

What chapter is H18.712 in?

H18.712 is in Chapter 7 of the ICD-10-CM Tabular List.

Is H18.712 valid for 2026?

Yes, H18.712 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousH18.711Corneal ectasia, right eyeNext →H18.713Corneal ectasia, bilateral
Code Details
H18.712
Corneal ectasia, left eye
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