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ICD-10-CM Code A25.1

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

A25.1 is a billable ICD code used to specify a diagnosis of streptobacillosis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code A251 is used to code Haverhill fever

Haverhill Fever (or epidemic arthritic erythema) is a form of "rat-bite fever" caused by the bacterium Streptobacillus moniliformis, an organism common in rats and mice. Symptoms begin to appear two to ten days after a rat bite injury. The illness resembles a severe influenza, with a moderate fever (38-40 °C, or 101-104 °F), chills, joint pain, and a diffuse red rash, located mostly on the hands and feet. The causative organism can be isolated by blood culture, and penicillin is the most common treatment. Treatment is usually quite successful, although the body can clear the infection by itself in most cases. Complications are rare, but can include endocarditis and meningitis.

Specialty: Infectious Disease
MeSH Code: D011906
ICD 9 Code: 261
Source: Wikipedia

Coding Notes for A25.1 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Epidemic arthritic erythema
Haverhill fever
Streptobacillary rat-bite fever

MS-DRG Mapping

  • DRG Group #867-869 - Other infectious and parasitic diseases diagnoses with MCC.
  • DRG Group #867-869 - Other infectious and parasitic diseases diagnoses with CC.
  • DRG Group #867-869 - Other infectious and parasitic diseases diagnoses without CC or MCC.


Streptobacillary fever (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 026.1 was previously used, A25.1 is the appropriate modern ICD10 code.

Parent Code: A25 - Rat-bite fevers

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/A251