ICD-10-CM H21.81: Floppy iris syndrome

ICD-10-CM Diagnosis Code (2025)

Official Description for H21.81

Floppy iris syndrome

Coding Notes & Guidelines for H21.81

Use Additional Code

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inclusion Terms

Intraoperative floppy iris syndrome (IFIS)

Parent Code (Less Specific):

About ICD-10-CM Code H21.81 (Floppy iris syndrome)

ICD-10-CM code H21.81 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM H21.81 became effective on October 1, 2024.

This page provides detailed information about H21.81 - Floppy iris syndrome. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Floppy iris syndrome.