Is ICD-10-CM code B02 billable?

No, B02 (Zoster [herpes zoster]) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code B02 belong to?

B02 belongs to Chapter 1 of the ICD-10-CM tabular list: A00–B99 (Certain Infectious and Parasitic Diseases).

B02

Non-Billable

ChapterA00–B99

Rankcategory

Description

Zoster [herpes zoster]

About ICD-10-CM code B02

B02 is the ICD-10-CM diagnosis code for Zoster [herpes zoster]. It sits in A00-B99 Certain Infectious and Parasitic Diseases, within Viral infections characterized by skin and mucous membrane lesions (B00-B09). B02 is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (5 billable, 2 non-billable)

B02.0Zoster encephalitis B02.1Zoster meningitis B02.2Zoster with other nervous system involvementhas subcodes B02.3Zoster ocular diseasehas subcodes B02.7Disseminated zoster B02.8Zoster with other complications B02.9Zoster without complications

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes

diseases generally recognized as communicable or transmissible

Excludes1(Not coded here. Use a different code.)

certain localized infections - see body system-related chapters

Excludes2(Not included here. Code separately if applicable.)

carrier or suspected carrier of infectious disease (Z22.-)
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

code to identify resistance to antimicrobial drugs (Z16.-)

Instructional Notes

Includes

shingles
zona

Clinical Hierarchy

BillableHas subcodes

CH1Certain infectious and parasitic diseases (A00-B99)

B00-B09Viral infections characterized by skin and mucous membrane lesions (B00-B09)

B02Zoster [herpes zoster]Not billable

B02.0Zoster encephalitisBillable

B02.1Zoster meningitisBillable

B02.2Zoster with other nervous system involvementSubcodes

B02.3Zoster ocular diseaseSubcodes

B02.7Disseminated zosterBillable

B02.8Zoster with other complicationsBillable

B02.9Zoster without complicationsBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B02:

chapterCH1

Certain infectious and parasitic diseases (A00-B99)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Zoster [herpes zoster].

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