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A49.9 - Bacterial infection, unspecified


The ICD 10 Code for Bacterial infection, unspecified is listed as A49.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: A49.9
Description: Bacterial infection, unspecified
  • Excludes1: bacteremia NOS (R78.81)
  • Infections with a predominantly sexual mode of transmission (A50-A64)
  • Excludes1: human immunodeficiency virus [HIV] disease (B20)
  • nonspecific and nongonococcal urethritis (N34.1)
  • Reiter's disease (M02.3-)
Diagnostic Related Groups
(MS-DRG v30.0)
867 - Other Infectious & Parasitic Diseases Diagnoses W Mcc
868 - Other Infectious & Parasitic Diseases Diagnoses W Cc
869 - Other Infectious & Parasitic Diseases Diagnoses W/o Cc/mcc
Chapter Certain infectious and parasitic diseases (A00-B99)
Block Other bacterial diseases (A30-A49)
Parent A49 - Bacterial infection of unspecified site
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 041.9 - Bacterial infection, unspecified, in conditions classified elsewhere and of unspecified site (approximate)
ICD-10-CM Siblings (same level / similar specificity) of A49.9:
A49.0 - Staphylococcal infection, unspecified site
A49.1 - Streptococcal infection, unspecified site
A49.2 - Hemophilus influenzae infection, unspecified site
A49.3 - Mycoplasma infection, unspecified site
A49.8 - Other bacterial infections of unspecified site