H21.523
Billable

Goniosynechiae, bilateral

Billable / Specific Code

What is Goniosynechiae, bilateral?

ICD-10-CM H21.523 is the diagnosis code for Goniosynechiae, bilateral. 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 H21.523

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 H21.523 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is H21.523 a billable ICD-10-CM code?

Yes, H21.523 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does H21.523 mean?

H21.523 is the ICD-10-CM diagnosis code for "Goniosynechiae, bilateral". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of H21.523?

The parent code of H21.523 is H21.52 ("Goniosynechiae"). H21.523 provides a more specific classification within this category.

What section is H21.523 in?

H21.523 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 H21.523?

Use H21.523 when the patients documented diagnosis matches "Goniosynechiae, bilateral" 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 Goniosynechiae, bilateral?

The ICD-10-CM code for Goniosynechiae, bilateral is H21.523.

Can H21.523 be used for primary diagnosis?

Yes, H21.523 can be used as a primary diagnosis code since it is billable and specific.

What chapter is H21.523 in?

H21.523 is in Chapter 7 of the ICD-10-CM Tabular List.

Is H21.523 valid for 2026?

Yes, H21.523 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousH21.522Goniosynechiae, left eyeNext →H21.529Goniosynechiae, unspecified eye
Code Details
H21.523
Goniosynechiae, bilateral
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