H05.359
Billable

Exostosis of unspecified orbit

Billable / Specific Code

What is Exostosis of unspecified orbit?

ICD-10-CM H05.359 is the diagnosis code for Exostosis of unspecified orbit. This code falls under the section "Disorders of eyelid, lacrimal system and orbit" 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 H05.359

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 H05.359 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is H05.359 a billable ICD-10-CM code?

Yes, H05.359 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does H05.359 mean?

H05.359 is the ICD-10-CM diagnosis code for "Exostosis of unspecified orbit". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of H05.359?

The parent code of H05.359 is H05.35 ("Exostosis of orbit"). H05.359 provides a more specific classification within this category.

What section is H05.359 in?

H05.359 is located in Section H00-H05 — "Disorders of eyelid, lacrimal system and orbit" within Chapter 7 of the ICD-10-CM Tabular List.

When should I use H05.359?

Use H05.359 when the patients documented diagnosis matches "Exostosis of unspecified orbit" 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 Exostosis of unspecified orbit?

The ICD-10-CM code for Exostosis of unspecified orbit is H05.359.

Can H05.359 be used for primary diagnosis?

Yes, H05.359 can be used as a primary diagnosis code since it is billable and specific.

What chapter is H05.359 in?

H05.359 is in Chapter 7 of the ICD-10-CM Tabular List.

Is H05.359 valid for 2026?

Yes, H05.359 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousH05.353Exostosis of bilateral orbitsNext →H05.4Enophthalmos
Code Details
H05.359
Exostosis of unspecified orbit
Billable / Specific Code
7 — Diseases of the eye and adnexa (H00-H59)
H00-H05 — Disorders of eyelid, lacrimal system and orbit
2026 ICD-10-CM