Index to Diseases and Injuries
Infection, infected, infective (opportunistic)
Index code:B99.9
- with →
- abscess (skin) - code by site under Abscess
- Absidia — see Mucormycosis
- Acanthamoeba — see Acanthamebiasis
- Acanthocheilonema (perstans) (streptocerca) B74.4
- accessory sinus (chronic) — see Sinusitis
- achorion — see Dermatophytosis
- Acinetobacter baumannii, as cause of disease classified elsewhere B96.83
- Acremonium falciforme B47.0
- acromioclavicular M00.9
- Actinobacillus (actinomycetem-comitans) →
- Actinomadura B47.1
- Actinomyces (israelii) A42.9 — see also Actinomycosis
- Actinomycetales — see Actinomycosis
- actinomycotic NOS — see Actinomycosis
- adenoid (and tonsil) →
- adenovirus NEC →
- aerogenes capsulatus A48.0
- aertrycke — see Infection, salmonella
- alimentary canal NOS — see Enteritis, infectious
- Allescheria boydii B48.2
- Alternaria B48.8
- alveolus, alveolar (process) K04.7
- Ameba, amebic (histolytica) — see Amebiasis
- amniotic fluid, sac or cavity →
- amputation stump (surgical) — see Complication, amputation stump, infection
- Ancylostoma (duodenalis) B76.0
- Anisakiasis, Anisakis larvae B81.0
- anthrax — see Anthrax
- antrum (chronic) — see Sinusitis, maxillary
- anus, anal (papillae) (sphincter) K62.89
- arbovirus (arbor virus) →
- artificial insemination N98.0
- Ascaris lumbricoides — see Ascariasis
- Ascomycetes B47.0
- Aspergillus (flavus) (fumigatus) (terreus) — see Aspergillosis
- atypical →
- auditory meatus (external) — see Otitis, externa, infective
- auricle (ear) — see Otitis, externa, infective
- axillary gland (lymph) L04.2
- Bacillus →
- bacterial NOS →
- Bacterium →
- Bacteroides NEC →
- Balantidium coli A07.0
- Bartholin's gland N75.8
- Basidiobolus B46.8
- bile duct (common) (hepatic) — see Cholangitis
- bladder — see Cystitis
- Blastomyces, blastomycotic →
- bleb, postprocedure — see Blebitis
- bone — see Osteomyelitis
- Bordetella — see Whooping cough
- Borrelia bergdorfi A69.20
- brain →
- branchial cyst Q18.0
- breast — see Mastitis
- bronchus — see Bronchitis
- Brucella →
- Brugia (malayi) →
- bursa — see Bursitis, infective
- buttocks (skin) L08.9
- Campylobacter, intestinal →
- Candida (albicans) (tropicalis) — see Candidiasis
- candiru B88.8
- Capillaria (intestinal) →
- cartilage — see Disorder, cartilage, specified type NEC
- catheter-related bloodstream (CRBSI) T80.211
- cat liver fluke B66.0
- cellulitis - code by site under Cellulitis
- central line-associated →
- Cephalosporium falciforme B47.0
- cerebrospinal — see Meningitis
- cervical gland (lymph) L04.0
- cervix — see Cervicitis
- cesarean delivery wound (puerperal) O86.00
- cestodes — see Infestation, cestodes
- chest J22
- Chilomastix (intestinal) A07.8
- Chlamydia, chlamydial →
- cholera — see Cholera
- Cladosporium →
- Clonorchis (sinensis) (liver) B66.1
- Clostridioides →
- Clostridium NEC →
- Coccidioides (immitis) — see Coccidioidomycosis
- colon — see Enteritis, infectious
- colostomy K94.02
- common duct — see Cholangitis
- congenital →
- Conidiobolus B46.8
- coronavirus-2019 U07.1
- coronavirus NEC →
- corpus luteum — see Salpingo-oophoritis
- Corynebacterium diphtheriae — see Diphtheria
- cotia virus B08.8
- COVID-19 U07.1 — see also COVID-19
- Coxiella burnetii A78
- coxsackie — see Coxsackie
- Cronobacter (sakazakii) →
- Cryptococcus neoformans — see Cryptococcosis
- Cryptosporidium A07.2
- Cunninghamella — see Mucormycosis
- cyst — see Cyst
- cystic duct K81.9 — see also Cholecystitis
- Cysticercus cellulosae — see Cysticercosis
- cytomegalovirus, cytomegaloviral →
- delta-agent (acute) , in hepatitis B carrier B17.0
- dental (pulpal origin) K04.7
- Deuteromycetes B47.0
- Dicrocoelium dendriticum B66.2
- Dipetalonema (perstans) (streptocerca) B74.4
- diphtherial — see Diphtheria
- Diphyllobothrium (adult) (latum) (pacificum) →
- Diplogonoporus (grandis) B71.8
- Dipylidium caninum B67.4
- Dirofilaria B74.8
- Dracunculus medinensis B72
- Drechslera (hawaiiensis) B43.8
- ducreyi Haemophilus (any location) A57
- due to or resulting from →
- during labor NEC O75.3
- ear (middle) →
- Eberthella typhosa A01.00
- Echinococcus — see Echinococcus
- echovirus →
- endocardium I33.0
- endocervix — see Cervicitis
- Entamoeba — see Amebiasis
- enteric — see Enteritis, infectious
- Enterobacter sakazakii B96.89
- Enterobius vermicularis B80
- enterostomy K94.12
- enterovirus →
- Entomophthora B46.8
- Epidermophyton — see Dermatophytosis
- epididymis — see Epididymitis
- episiotomy (puerperal) O86.09
- Erysipelothrix (insidiosa) (rhusiopathiae) — see Erysipeloid
- erythema infectiosum B08.3
- Escherichia (E.) coli NEC →
- ethmoidal (chronic) (sinus) — see Sinusitis, ethmoidal
- eustachian tube (ear) — see Salpingitis, eustachian
- external auditory canal (meatus) NEC — see Otitis, externa, infective
- eye (purulent) — see Endophthalmitis, purulent
- eyelid — see Inflammation, eyelid
- fallopian tube — see Salpingo-oophoritis
- Fasciola (gigantica) (hepatica) (indica) B66.3
- Fasciolopsis (buski) B66.5
- filarial — see Infestation, filarial
- finger (skin) →
- fish tapeworm →
- flagellate, intestinal A07.9
- fluke — see Infestation, fluke
- focal →
- Fonsecaea (compactum) (pedrosoi) B43.0
- food — see Intoxication, foodborne
- foot (skin) →
- Francisella tularensis — see Tularemia
- frontal (sinus) (chronic) — see Sinusitis, frontal
- fungus NOS →
- Fusarium B48.8
- gallbladder — see Cholecystitis
- gas bacillus — see Gangrene, gas
- gastrointestinal — see Enteritis, infectious
- generalized NEC — see Sepsis
- generator pocket, implanted electronic neurostimulator T85.734
- genital organ or tract →
- Ghon tubercle, primary A15.7
- Giardia lamblia A07.1
- gingiva (chronic) →
- glanders A24.0
- glenosporopsis B48.0
- Gnathostoma (spinigerum) B83.1
- Gongylonema B83.8
- gonococcal — see Gonococcus
- gram-negative bacilli NOS A49.9
- guinea worm B72
- gum (chronic) →
- Haemophilus — see Infection, Hemophilus
- heart — see Carditis
- Helicobacter pylori →
- helminths →
- Hemophilus →
- herpes (simplex) →
- herpesvirus, herpesviral — see Herpes
- hip (joint) NEC →
- Heterophyes (heterophyes) B66.8
- Histoplasma →
- hookworm B76.9
- human →
- hydrocele N43.0
- Hymenolepis B71.0
- hypopharynx — see Pharyngitis
- inguinal (lymph) glands →
- intervertebral disc, pyogenic →
- intestine, intestinal →
- intra-amniotic affecting newborn NEC P39.2
- intrauterine inflammation O41.12-
- Isospora belli or hominis A07.3
- Japanese B encephalitis A83.0
- jaw (bone) (lower) (upper) M27.2
- joint NEC →
- kidney (cortex) (hematogenous) →
- Klebsiella (K.) pneumoniae NEC →
- knee (joint) NEC →
- Koch's — see Tuberculosis
- labia (majora) (minora) (acute) — see Vulvitis
- lacrimal →
- lancet fluke B66.2
- larynx NEC J38.7
- leg (skin) NOS L08.9
- Legionella pneumophila →
- Leishmania →
- lentivirus, as cause of disease classified elsewhere B97.31
- Leptosphaeria senegalensis B47.0
- Leptospira interrogans →
- leptospirochetal NEC — see Leptospirosis
- Listeria monocytogenes →
- Loa loa →
- Loboa loboi B48.0
- local, skin (staphylococcal) (streptococcal) →
- Loefflerella mallei A24.0
- lung →
- lymph gland →
- lymphoid tissue, base of tongue or posterior pharynx, NEC (chronic) J35.03
- Madurella (grisea) (mycetomii) B47.0
- major →
- Malassezia furfur B36.0
- Malleomyces →
- mammary gland N61.0
- Mansonella (ozzardi) (perstans) (streptocerca) B74.4
- mastoid — see Mastoiditis
- maxilla, maxillary →
- mediastinum J98.51
- Medina (worm) B72
- meibomian cyst or gland — see Hordeolum
- meninges — see Meningitis, bacterial
- meningococcal →
- mesenteric lymph nodes or glands NEC I88.0
- Metagonimus B66.8
- metatarsophalangeal M00.9
- methicillin →
- Microsporum, microsporic — see Dermatophytosis
- mixed flora (bacterial) NEC A49.8
- Monilia — see Candidiasis
- Monosporium apiospermum B48.2
- mouth, parasitic B37.0
- Mucor — see Mucormycosis
- muscle NEC — see Myositis, infective
- mycelium NOS B49
- mycetoma →
- Mycobacterium, mycobacterial — see Mycobacterium
- Mycoplasma NEC →
- mycotic NOS →
- myocardium NEC I40.0
- nail (chronic) →
- nasal sinus (chronic) — see Sinusitis
- nasopharynx — see Nasopharyngitis
- navel L08.82
- Necator americanus B76.1
- Neisseria — see Gonococcus
- Neotestudina rosatii B47.0
- newborn →
- nipple →
- Nocardia — see Nocardiosis
- obstetrical surgical wound (puerperal) →
- Oesophagostomum (apiostomum) B81.8
- Oestrus ovis — see Myiasis
- Oidium albicans B37.9
- Onchocerca (volvulus) — see Onchocerciasis
- oncovirus, as cause of disease classified elsewhere B97.32
- operation wound T81.49
- Opisthorchis (felineus) (viverrini) B66.0
- orbit, orbital — see Inflammation, orbit
- orthopoxvirus NEC B08.09
- ovary — see Salpingo-oophoritis
- Oxyuris vermicularis B80
- pancreas (acute) →
- papillomavirus, as cause of disease classified elsewhere B97.7
- papovavirus NEC B34.4
- Paracoccidioides brasiliensis — see Paracoccidioidomycosis
- Paragonimus (westermani) B66.4
- parainfluenza virus B34.8
- parameningococcus NOS A39.9
- parapoxvirus →
- parasitic B89
- Parastrongylus →
- paraurethral ducts N34.2
- parotid gland — see Sialoadenitis
- parvovirus NEC →
- Pasteurella NEC →
- pelvic, female — see Disease, pelvis, inflammatory
- Penicillium (marneffei) B48.4
- penis (glans) (retention) NEC N48.29
- periapical K04.5
- peridental, periodontal →
- perinatal period →
- perineal repair (puerperal) O86.09
- periorbital — see Inflammation, orbit
- perirectal K62.89
- perirenal — see Infection, kidney
- peritoneal — see Peritonitis
- periureteral N28.89
- Petriellidium boydii B48.2
- pharynx →
- Phialophora →
- Piedraia hortae B36.3
- pinta →
- pinworm B80
- pityrosporum furfur B36.0
- pleuro-pneumonia-like organism (PPLO) NEC →
- pneumococcus, pneumococcal NEC →
- Pneumocystis carinii (pneumonia) B59
- Pneumocystis jirovecii (pneumonia) B59
- port or reservoir T80.212
- postoperative T81.40
- postoperative wound →
- postprocedural T81.40
- postvaccinal T88.0
- prepuce NEC →
- prion — see Disease, prion, central nervous system
- prostate (capsule) — see Prostatitis
- Proteus (mirabilis) (morganii) (vulgaris) NEC →
- protozoal NEC →
- Pseudoallescheria boydii B48.2
- Pseudomonas NEC →
- puerperal →
- pulmonary — see Infection, lung
- purulent — see Abscess
- Pyrenochaeta romeroi B47.0
- Q fever A78
- rectum (sphincter) K62.89
- renal →
- reovirus, as cause of disease classified elsewhere B97.5
- respiratory (tract) NEC →
- resulting from →
- retortamoniasis A07.8
- retroperitoneal NEC K68.9
- retrovirus →
- Rhinosporidium (seeberi) B48.1
- rhinovirus →
- Rhizopus — see Mucormycosis
- rickettsial NOS A79.9
- roundworm (large) NEC →
- rubella — see Rubella
- Saccharomyces — see Candidiasis
- salivary duct or gland (any) — see Sialoadenitis
- Salmonella (aertrycke) (arizonae) (cholerae-suis) (enteritidis) (gallinarum) (suipestifer) (typhimurium) →
- Sarcocystis A07.8
- SARS-CoV-2 — see Infection, COVID-19
- scabies B86
- Schistosoma — see Infestation, Schistosoma
- scrotum (acute) NEC N49.2
- seminal vesicle — see Vesiculitis
- septic →
- Serratia NEC →
- sheep liver fluke B66.3
- Shigella →
- shoulder (joint) NEC →
- sinus (accessory) (chronic) (nasal) →
- Skene's duct or gland — see Urethritis
- skin (local) (staphylococcal) (streptococcal) →
- slow virus →
- Sparganum (mansoni) (proliferum) (baxteri) B70.1
- specific →
- specified NEC B99.8
- spermatic cord NEC N49.1
- sphenoidal (sinus) — see Sinusitis, sphenoidal
- spinal cord NOS →
- Spirillum A25.0
- spirochetal NOS →
- Spirometra larvae B70.1
- spleen D73.89
- Sporotrichum, Sporothrix (schenckii) — see Sporotrichosis
- staphylococcal, unspecified site →
- Stellantchasmus falcatus B66.8
- streptobacillus moniliformis A25.1
- streptococcal NEC →
- Streptomyces B47.1
- Strongyloides (stercoralis) — see Strongyloidiasis
- stump (amputation) (surgical) — see Complication, amputation stump, infection
- subcutaneous tissue, local L08.9
- suipestifer — see Infection, salmonella
- swimming pool bacillus A31.1
- Taenia — see Infestation, Taenia
- Taeniarhynchus saginatus B68.1
- tapeworm — see Infestation, tapeworm
- tendon (sheath) — see Tenosynovitis, infective NEC
- Ternidens diminutus B81.8
- testis — see Orchitis
- threadworm B80
- throat — see Pharyngitis
- thyroglossal duct K14.8
- toe (skin) →
- tongue NEC →
- tonsil (and adenoid) (faucial) (lingual) (pharyngeal) — see Tonsillitis
- tooth, teeth →
- TORCH →
- Torula histolytica — see Cryptococcosis
- Toxocara (canis) (cati) (felis) B83.0
- Toxoplasma gondii — see Toxoplasma
- trachea, chronic J42
- trematode NEC — see Infestation, fluke
- trench fever A79.0
- Treponema pallidum — see Syphilis
- Trichinella (spiralis) B75
- Trichomonas →
- Trichophyton, trichophytic — see Dermatophytosis
- Trichosporon (beigelii) cutaneum B36.2
- Trichostrongylus B81.2
- Trichuris (trichiura) B79
- Trombicula (irritans) B88.09
- Trypanosoma →
- tubal — see Salpingo-oophoritis
- tuberculous →
- tubo-ovarian — see Salpingo-oophoritis
- tunnel T80.212
- tunica vaginalis N49.1
- tympanic membrane NEC — see Myringitis
- typhoid (abortive) (ambulant) (bacillus) — see Typhoid
- typhus →
- umbilicus L08.82
- ureter — see Ureteritis
- urethra — see Urethritis
- urinary (tract) →
- uterus, uterine — see Endometritis
- vaccination T88.0
- vaccinia not from vaccination B08.011
- vagina (acute) — see Vaginitis
- varicella B01.9
- varicose veins — see Varix
- vas deferens NEC N49.1
- vesical — see Cystitis
- Vibrio →
- Vincent's (gum) (mouth) (tonsil) A69.1
- virus, viral NOS →
- vulva (acute) — see Vulvitis
- West Nile — see Virus, West Nile
- whipworm B79
- worms →
- Wuchereria (bancrofti) →
- yatapoxvirus →
- yeast B37.9 — see also Candidiasis
- yellow fever — see Fever, yellow
- Yersinia →
- Zeis' gland — see Hordeolum
- Zika virus →
- zoonotic bacterial NOS A28.9
- Zopfia senegalensis B47.0
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Infection, infected, infective?
The ICD-10-CM Alphabetic Index directs "Infection, infected, infective" to B99.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.