B18

Non-Billable

ChapterA00–B99

Rankcategory

Official Description

Chronic viral hepatitis

Use a more specific code (5 billable)

B18.0Chronic viral hepatitis B with delta-agent B18.1Chronic viral hepatitis B without delta-agent B18.2Chronic viral hepatitis C B18.8Other chronic viral hepatitis B18.9Chronic viral hepatitis, unspecified

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.-)

B15-B19 Parent Instructions

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

sequelae of viral hepatitis (B94.2)

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

cytomegaloviral hepatitis (B25.1)
herpesviral [herpes simplex] hepatitis (B00.81)

Instructional Notes

Includes

Carrier of viral hepatitis

Use Additional Code

code, if applicable, for ascites (R18.8)

Clinical Hierarchy

BillableHas subcodes

CH1Certain infectious and parasitic diseases (A00-B99)

B15-B19Viral hepatitis (B15-B19)

B18Chronic viral hepatitisNot billable

B18.0Chronic viral hepatitis B with delta-agentBillable

B18.1Chronic viral hepatitis B without delta-agentBillable

B18.2Chronic viral hepatitis CBillable

B18.8Other chronic viral hepatitisBillable

B18.9Chronic viral hepatitis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B18:

blockB15-B19

Viral hepatitis (B15-B19)

View context instructions

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 Chronic viral hepatitis.

Search PCS Codes