2027 ICD-10-CM Diagnosis Code B02.32Zoster iridocyclitis
ICD-10-CM Codes›A00–B99›B00-B09›B02
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Not Chronic
B02.32 is a billable ICD-10-CM diagnosis code for zoster iridocyclitis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 124 through 125, 791, 793, 974 through 976. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 6 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified eye disorders and Viral infection.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Bilateral herpes zoster iridocyclitis
- Bilateral iritis of eyes caused by Human alphaherpesvirus 3
- Herpes zoster iridocyclitis
- Herpes zoster iritis
- Herpetic iridocyclitis
- Infectious secondary iridocyclitis
- Infectious secondary iritis
- Iridocyclitis of bilateral eyes
- Iridocyclitis of left eye due to herpes zoster
- Iridocyclitis of right eye due to herpes zoster
- Iritis of left eye caused by herpes zoster virus
- Iritis of right eye caused by herpes zoster virus
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to B02.32: its own notes plus those printed at B02 and Chapter 1. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- shingles
- zona
- diseases generally recognized as communicable or transmissible
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code to identify resistance to antimicrobial drugs (Z16.-)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name B02.32, its category, or a range that includes it.
Excludes1 2
These codes carry an Excludes1 note naming B02.32: they are not reported together with it, unless the two conditions are unrelated.
Excludes2 4
These codes carry an Excludes2 note naming B02.32: its condition is not part of those codes, and both may be reported when the patient has both.
- B10 Other human herpesvirusesherpes zoster (B02.-) names B02.-, which includes this code
- B10 Other human herpesviruseshuman herpesvirus 3 (B01.-, B02.-) names B02.-, which includes this code
- B10 Other human herpesviruseszoster (B02.-) names B02.-, which includes this code
- Block L00-L08 Infections of the skin and subcutaneous tissuezoster (B02.-) names B02.-, which includes this code
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
herpes, herpetic (simplex) B00.51
zoster B02.32
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Eye Infections
Your eyes can get infections from bacteria, fungi, or viruses. Eye infections can occur in different parts of the eye and can affect just one eye or both. Two common eye infections are:
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert B02.32 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About B02.32Overview
What is the ICD-10 code for zoster iridocyclitis?
The ICD-10-CM code for zoster iridocyclitis is B02.32 (sometimes written as B0232). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is B02.32 (Zoster ocular disease) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report zoster iridocyclitis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does B02.32 group to?
When zoster iridocyclitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 793, 791, 974, 125, 976, 975, 124, with relative weights from 0.7699 to 4.2192 depending on complications. Higher weights mean higher Medicare reimbursement.
Is B02.32 a CC or MCC?
CMS lists B02.32 as a CC (complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 6 closely related codes in its exclusion list.
What is the ICD-9 equivalent of B02.32?
Under the General Equivalence Mappings, zoster iridocyclitis converts to ICD-9-CM 053.22 (h zoster iridocyclitis). The mapping is a direct match.
