ICD10BillableValid for clinical use

ICD-10 Code H21.82: Plateau iris syndrome (post-iridectomy) (postprocedural)

H21.82 is a billable ICD-10 diagnosis code used to classify Plateau iris syndrome (post-iridectomy) (postprocedural) in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the eye and adnexa (H00-H59).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the eye and adnexa (H00-H59).

When is it used?

  • May be used when a clinician documents plateau iris syndrome (post-iridectomy) (postprocedural) in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
7Diseases of the eye and adnexa (H00-H59)
block
H15-H22Disorders of sclera, cornea, iris and ciliary body
category
H21Other disorders of iris and ciliary body
category
H21.8Other specified disorders of iris and ciliary body
currentH21.8

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Ophthalmologist

Coverage-related procedures and services

CPT 92132high
COMPUTERIZED OPHTHALMIC DIAGNOSTIC IMAGING (EG, OPTICAL COHERENCE TOMOGRAPHY [OCT]), ANTERIOR SEGMENT, WITH INTERPRETATION AND REPORT, UNILATERAL OR BILATERAL
Source: CMS coverage guidance
CPT 92133high
COMPUTERIZED OPHTHALMIC DIAGNOSTIC IMAGING (EG, OPTICAL COHERENCE TOMOGRAPHY [OCT]), POSTERIOR SEGMENT, WITH INTERPRETATION AND REPORT, UNILATERAL OR BILATERAL; OPTIC NERVE
Source: CMS coverage guidance
CPT 92134high
COMPUTERIZED OPHTHALMIC DIAGNOSTIC IMAGING (EG, OPTICAL COHERENCE TOMOGRAPHY [OCT]), POSTERIOR SEGMENT, WITH INTERPRETATION AND REPORT, UNILATERAL OR BILATERAL; RETINA
Source: CMS coverage guidance
CPT 66987high
EXTRACAPSULAR CATARACT REMOVAL WITH INSERTION OF INTRAOCULAR LENS PROSTHESIS (1-STAGE PROCEDURE), MANUAL OR MECHANICAL TECHNIQUE (EG, IRRIGATION AND ASPIRATION OR PHACOEMULSIFICATION), COMPLEX, REQUIRING DEVICES OR TECHNIQUES NOT GENERALLY USED IN ROUTINE CATARACT SURGERY (EG, IRIS EXPANSION DEVICE, SUTURE SUPPORT FOR INTRAOCULAR LENS, OR PRIMARY POSTERIOR CAPSULORRHEXIS) OR PERFORMED ON PATIENTS IN THE AMBLYOGENIC DEVELOPMENTAL STAGE; WITH ENDOSCOPIC CYCLOPHOTOCOAGULATION
Source: CMS coverage guidance
CPT 66982high
EXTRACAPSULAR CATARACT REMOVAL WITH INSERTION OF INTRAOCULAR LENS PROSTHESIS (1-STAGE PROCEDURE), MANUAL OR MECHANICAL TECHNIQUE (EG, IRRIGATION AND ASPIRATION OR PHACOEMULSIFICATION), COMPLEX, REQUIRING DEVICES OR TECHNIQUES NOT GENERALLY USED IN ROUTINE CATARACT SURGERY (EG, IRIS EXPANSION DEVICE, SUTURE SUPPORT FOR INTRAOCULAR LENS, OR PRIMARY POSTERIOR CAPSULORRHEXIS) OR PERFORMED ON PATIENTS IN THE AMBLYOGENIC DEVELOPMENTAL STAGE; WITHOUT ENDOSCOPIC CYCLOPHOTOCOAGULATION
Source: CMS coverage guidance
CPT 92250high
FUNDUS PHOTOGRAPHY WITH INTERPRETATION AND REPORT
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Plateau iris syndrome (post-iridectomy) (postprocedural)Plateau iris syndromePlateau iris syndrome post-iridectomy postprocedural

Frequently asked questions

Code details

CodeH21.82
SystemICD10
Display namePlateau iris syndrome (post-iridectomy) (postprocedural)
ChapterDiseases of the eye and adnexa (H00-H59)
BlockDisorders of sclera, cornea, iris and ciliary body

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Plateau iris syndrome(post-iridectomy) (postprocedural) (without glaucoma)Syndrome

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code H21.82 for Plateau iris syndrome (post-iridectomy) (postprocedural) | HealthAssure