ICD-10 Diagnosis Code A49.8

Other bacterial infections of unspecified site

Diagnosis Code A49.8

ICD-10: A49.8
Short Description: Other bacterial infections of unspecified site
Long Description: Other bacterial infections of unspecified site
This is the 2017 version of the ICD-10-CM diagnosis code A49.8

Code Classification
  • Certain infectious and parasitic diseases
    • Other bacterial diseases (A30-A49)
      • Bacterial infection of unspecified site (A49)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code A49.8 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)


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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Acinetobacter calcoaceticus or Acinetobacter haemolyticus
  • Aerobacter aerogenes infection
  • Aeromonas hydrophilia or Aeromonas punctata
  • Aeromonas or Plesiomonas present
  • Agrobacterium radiobacter or Agrobacterium tumefaciens
  • Anaerococcus tetradius or Anaerococcus prevotii
  • Bacterial infection caused by Bacillus
  • Bacterial infection caused by Klebsiella mobilis
  • Bacterial infection caused by Morganella morganii
  • Bacterial infection caused by Proteus mirabilis
  • Bacterial infection caused by Pseudomonas
  • Bacterial infection caused by Serratia
  • Botryomycosis
  • Brevundimonas diminuta or Brevundimonas vesicularis
  • Brevundimonas diminuta or Oligella urethralis
  • Campylobacteriosis
  • Capnocytophaga canimorsus or Capnocytophaga cynodegmi
  • Chryseobacterium indologenes or Brevundimonas vesicularis
  • Chryseobacterium indologenes or Empedobacter brevis
  • Chryseomonas luteola or Flavimonas oryzihabitans
  • Citrobacter braakii or Citrobacter freundii or Citrobacter sedlakii
  • Citrobacter freundii or Citrobacter youngae
  • Citrobacter koseri or Citrobacter amalonaticus
  • Citrobacter koseri or Citrobacter farmeri
  • Citrobacter werkmanii or Citrobacter youngae
  • Clostridial infection
  • Colibacillosis gravidarum
  • Columnaris disease
  • Corynebacterium afermentans or Corynebacterium coyleae
  • Corynebacterium auris or Turicella otitidis
  • Delftia acidovorans or Comamonas testosteroni
  • Dermacoccus nishinomiyaensis or Kytococcus sedentarius
  • Disease caused by Moraxella
  • Enterobacter cloacae or Enterobacter asburiae
  • Enterococcus casseliflavus or Enterococcus gallinarum
  • Enterococcus durans or Enterococcus hirae
  • Escherichia coli or Hafnia alvei
  • Friedlander's bacillus infection
  • Gemella morbillorum or Streptococcus agalactiae or Streptococcus acidominimus
  • Haemophilus infection
  • Infection caused by Abiotrophia
  • Infection caused by Arcanobacterium pyogenes
  • Infection caused by Bacteroides
  • Infection caused by Bacteroides fragilis
  • Infection caused by Campylobacter fetus
  • Infection caused by carbapenem resistant Acinetobacter
  • Infection caused by carbapenem resistant bacteria
  • Infection caused by Clostridium chauvoei
  • Infection caused by Clostridium novyi
  • Infection caused by Corynebacterium
  • Infection caused by corynebacterium jeikeium
  • Infection caused by Corynebacterium kutscheri
  • Infection caused by Corynebacterium minutissimum
  • Infection caused by diphtheroid bacteria
  • Infection caused by Diphtheroid bacteria other than Corynebacterium diphtheriae
  • Infection caused by Enterobacteriaceae
  • Infection caused by Escherichia coli 0157
  • Infection caused by extended spectrum beta-lactamase producing bacteria
  • Infection caused by extended spectrum beta-lactamase producing bacteria
  • Infection caused by extended spectrum beta-lactamase producing Escherichia coli
  • Infection caused by extended spectrum beta-lactamase producing Klebsiella pneumoniae
  • Infection caused by Fusobacterium
  • Infection caused by Grimontia hollisae
  • Infection caused by Lactococcus
  • Infection caused by Mannheimia haemolytica
  • Infection caused by multidrug resistant Acinetobacter
  • Infection caused by non-cholerae vibrio
  • Infection caused by Shiga toxin producing Escherichia coli
  • Infection caused by Staphylococcus Coagulase negative
  • Infection caused by Vibrio
  • Infection caused by Vibrio alginolyticus
  • Infection caused by Vibrio fluvialis
  • Infection caused by Vibrio mimicus
  • Infection caused by Vibrio parahaemolyticus
  • Infection due to multidrug resistant Acinetobacter baumannii
  • Klebsiella pneumoniae or Klebsiella oxytoca
  • Kocuria varians or Kocuria rosea
  • Mannheimia haemolytica or Bibersteinia trehalosi
  • Micrococcus luteus or Micrococcus lylae
  • Mima polymorpha infection
  • Morganella infection
  • Pasteurella pneumotropica or Pasteurella haemolytica
  • Peptostreptococcus infection
  • Prevotella buccalis or Prevotella oralis
  • Prevotella buccalis or Prevotella veroralis
  • Prevotella loescheii or Prevotella denticola
  • Prevotella nigrescens or Prevotella intermedia
  • Prevotella oris or Prevotella buccae
  • Proteus infection
  • Proteus mirabilis or Proteus penneri
  • Proteus vulgaris or Proteus penneri
  • Providencia alcalifaciens or Providencia rustigianii
  • Pseudomonal botryomycosis
  • Pseudomonas fluorescens or Pseudomonas putida
  • Pseudomonas fluorescens or Pseudomonas putida or Pseudomonas mendocina
  • Pseudomonas stutzeri or Pseudomonas mendocina
  • Shewanella algae or Shewanella putrefaciens
  • Staphylococcus aureus or Staphylococcus intermedius
  • Staphylococcus saprophyticus or Staphylococcus hominis
  • Staphylococcus warneri or Staphylococcus pasteuri
  • Superadded anaerobic infection
  • Superimposed infection
  • Ulcer caused by Bacteroides
  • Vibrio fluvialis or Vibrio furnissii
  • Vibrio vulnificus infection
  • Weeksella virosa or Empedobacter brevis
  • Yersinia frederiksenii or Yersinia intermedia

Information for Patients

Bacterial Infections

Bacteria are living things that have only one cell. Under a microscope, they look like balls, rods, or spirals. They are so small that a line of 1,000 could fit across a pencil eraser. Most bacteria won't hurt you - less than 1 percent of the different types make people sick. Many are helpful. Some bacteria help to digest food, destroy disease-causing cells, and give the body needed vitamins. Bacteria are also used in making healthy foods like yogurt and cheese.

But infectious bacteria can make you ill. They reproduce quickly in your body. Many give off chemicals called toxins, which can damage tissue and make you sick. Examples of bacteria that cause infections include Streptococcus, Staphylococcus, and E. coli.

Antibiotics are the usual treatment. When you take antibiotics, follow the directions carefully. Each time you take antibiotics, you increase the chances that bacteria in your body will learn to resist them causing antibiotic resistance. Later, you could get or spread an infection that those antibiotics cannot cure.

NIH: National Institute of Allergy and Infectious Diseases

  • Actinomycosis
  • Bacterial vaginosis -- aftercare
  • Blood culture
  • Gram stain
  • Gram stain of skin lesion
  • Necrotizing soft tissue infection

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