H21.513
Billable

Anterior synechiae (iris), bilateral

Billable / Specific Code

What is Anterior synechiae (iris), bilateral?

ICD-10-CM H21.513 is the diagnosis code for Anterior synechiae (iris), 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 H21.513

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 H21.513 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is H21.513 a billable ICD-10-CM code?

Yes, H21.513 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does H21.513 mean?

H21.513 is the ICD-10-CM diagnosis code for "Anterior synechiae (iris), 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 H21.513?

The parent code of H21.513 is H21.51 ("Anterior synechiae (iris)"). H21.513 provides a more specific classification within this category.

What section is H21.513 in?

H21.513 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 H21.513?

Use H21.513 when the patients documented diagnosis matches "Anterior synechiae (iris), 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 Anterior synechiae (iris), bilateral?

The ICD-10-CM code for Anterior synechiae (iris), bilateral is H21.513.

Can H21.513 be used for primary diagnosis?

Yes, H21.513 can be used as a primary diagnosis code since it is billable and specific.

What chapter is H21.513 in?

H21.513 is in Chapter 7 of the ICD-10-CM Tabular List.

Is H21.513 valid for 2026?

Yes, H21.513 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousH21.512Anterior synechiae (iris), left eyeNext →H21.519Anterior synechiae (iris), unspecified eye
Code Details
H21.513
Anterior synechiae (iris), 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