A25.1

Billable

ChapterA00–B99

Ranksubcategory

Official Description

Streptobacillosis

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

Instructional Notes

Includes

Epidemic arthritic erythema
Haverhill fever
Streptobacillary rat-bite fever

General instructions are available for the parent sections:

View CH1 Notes

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)

A20-A28Certain zoonotic bacterial diseases (A20-A28)

A25Rat-bite fevers

A25.1Streptobacillosis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A25.1:

chapterCH1

Certain infectious and parasitic diseases (A00-B99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to A25.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

16 raw paths

Actinobacillosis, actinobacillus1 unique routes

muris→A25.1

Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)3 unique routes

due to or associated with(2 variants)

erythema

epidemic→A25.1

rat bite fever→A25.1

epidemic erythema→A25.1

Erythema, erythematous (infectional) (inflammation)2 unique routes

arthriticum epidemicum→A25.1

epidemic, arthritic→A25.1

Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)3 unique routes

Haverhill→A25.1

rat-bite

due to

Streptobacillus moniliformis→A25.1

streptobacillary→A25.1

Haverhill fever1 unique routes

Direct index entry→A25.1

Infection, infected, infective (opportunistic)2 unique routes

Actinobacillus (actinomycetem-comitans)

muris→A25.1

streptobacillus moniliformis→A25.1

Rat-bite fever1 unique routes

due to Streptobacillus moniliformis→A25.1

Streptobacillary fever1 unique routes

Direct index entry→A25.1

Streptobacillosis1 unique routes

Direct index entry→A25.1

Streptobacillus moniliformis1 unique routes

Direct index entry→A25.1

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 867

Other Infectious and Parasitic Diseases Diagnoses with MCC

DRG 868

Other Infectious and Parasitic Diseases Diagnoses with CC

DRG 869

Other Infectious and Parasitic Diseases Diagnoses without CC/MCC

Cross Reference

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