2026 ICD-10-CM Diagnosis Code B19.20Unspecified viral hepatitis C without hepatic coma

ICD-10-CM CodesA00–B99B15-B19B19

ICD-10-CM B19.20
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B19.20 is a billable ICD-10-CM diagnosis code for unspecified viral hepatitis C without hepatic coma. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 441 through 443. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Hepatitis and Viral infection.

Code Identity

ICD-10-CM Code
B19.20
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified viral hepatitis C without hepatic coma
Short Description
Unspecified viral hepatitis C without hepatic coma
Same as the full description in the CMS dataset.
Parent Code
Unspecified viral hepatitis C

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB15-B19Viral hepatitis
CategoryB19Unspecified viral hepatitis
This CodeB19.20Unspecified viral hepatitis C without hepatic coma

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Complication of transplanted liver
  • Glomerular disease due to infectious disease
  • Glomerulonephritis due to hepatitis C
  • Hepatitis B and hepatitis C
  • Liver disorder in pregnancy
  • Reactivation of hepatitis C viral hepatitis
  • Recurrent hepatitis
  • Recurrent hepatitis C virus induced liver disease following liver transplant
  • Viral hepatitis C
  • Viral hepatitis C in mother during pregnancy
  • Viral hepatitis complicating pregnancy, childbirth and the puerperium

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Viral hepatitis C NOS

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Hepatitis
      • C (viral)
    • Hepatitis
      • viral, virus
        • type
          • C

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INF007
Hepatitis
Default principal diagnosis: inpatient Yes · outpatient Yes
CCSR INF008
Viral infection
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

Hepatitis C

Hepatitis is inflammation of the liver. Inflammation is swelling that happens when tissues of the body are injured or infected. Inflammation can damage organs.

The full article covers:

  • What is hepatitis C?
  • How is hepatitis C spread?
  • Who is more likely to get hepatitis C?
  • What are the symptoms of hepatitis C?
  • What other problems can hepatitis C cause?
  • How is hepatitis C diagnosed?
  • What are the treatments for hepatitis C?
  • Can hepatitis C be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert B19.20 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
070.70 Hpt C w/o hepat coma NOS
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About B19.20Overview

Is B19.20 (Unspecified viral hepatitis C) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report unspecified viral hepatitis C without hepatic coma on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does B19.20 group to?

When unspecified viral hepatitis C without hepatic coma is the principal diagnosis on an inpatient stay, it groups to MS-DRG 441, 442, 443, with relative weights from 0.6997 to 1.7947 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of B19.20?

Under the General Equivalence Mappings, unspecified viral hepatitis C without hepatic coma converts to ICD-9-CM 070.70 (hpt C w/o hepat coma NOS). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.