| Code | Display |
| 1601-4 | Breast abscess or mastitis |
| 1602-2 | Myocarditis or pericarditis |
| 1603-0 | Clinical sepsis |
| 1604-8 | Deep incisional primary surgical site infection (SSI) |
| 1605-5 | Deep incisional secondary surgical site infection (SSI) |
| 1606-3 | Vertebral disc space infection |
| 1607-1 | Ear or mastoid infection (otitis externa, otitis media, otitis interna, mastoiditis) |
| 1608-9 | Eye infection, other than conjunctivitis |
| 1609-7 | Gastrointestinal tract infection (esophagus, stomach, small and large bowel, and rectum) excluding gastroenteritis and appendicitis |
| 1610-5 | Intraabdominal infection, not specified elsewhere including gallbladder, bile ducts, liver (excluding viral hepatitis), spleen, pancreas, peritoneum, subphrenic or subdiaphragmatic space, or other intraabdominal tissue or area not specified elsewhere |
| 1611-3 | Intracranial infection (brain abscess, subdural or epidural infection, encephalitis) |
| 1612-1 | Joint or bursa infection |
| 1613-9 | Laboratory-confirmed bloodstream infection |
| 1614-7 | Other infections of lower respiratory tract, other than pneumonia |
| 1615-4 | Meningitis or ventriculitis |
| 1616-2 | Oral cavity infection (mouth, tongue, or gums) |
| 1617-0 | Other infections of the male or female reproductive tract (epididymis, testes, prostate, vagina, ovaries, uterus, or other deep pelvic tissues, excluding endometritis or vaginal cuff infections) |
| 1618-8 | Other infections of the urinary tract (kidney, ureter, bladder, urethra, or tissue surrounding the retroperitoneal or perinephric space) |
| 1619-6 | Spinal abscess without meningitis |
| 1620-4 | Superficial incisional primary surgical site infection (SSI) |
| 1621-2 | Superficial incisional secondary surgical site infection (SSI) |
| 1622-0 | Upper respiratory tract infection, pharyngitis, laryngitis, epiglottitis |
| 1623-8 | Arterial or venous infection |
| 1624-6 | Vaginal cuff infection |
| 1625-3 | Symptomatic UTI (SUTI) |
| 1626-1 | Pneumonia 1 (PNU1) |
| 1631-1 | Pneumonia 2 (PNU2) |
| 1632-9 | Pneumonia 3 (PNU3) |
| 1640-2 | Organ/space |
| 1671-7 | Bronchitis or tracheitis |
| 1672-5 | Burn infection |
| 1673-3 | Decubitus ulcer infection |
| 1674-1 | Disseminated infection |
| 1675-8 | Infant pustulosis |
| 1676-6 | Newborn circumcision infection |
| 1677-4 | Soft tissue, muscle, lymph node, or salivary gland infection |
| 1970-3 | Periprosthetic joint infection |
| 2343-4 | Ventilator-associated condition (VAC) |
| 2344-2 | Infection-related ventilator-associated complication (IVAC) |
| 2345-0 | Possible ventilator-associated pneumonia (PVAP) |
| 2402-6 | Asymptomatic bacteremic UTI (ABUTI) |
| 3066-8 | Neonatal Laboratory Confirmed Bloodstream Infection 1 (NLCBI 1) |
| 3067-6 | Neonatal Laboratory Confirmed Bloodstream Infection 2 (NLCBI 2) |
| 3068-4 | Neonatal Laboratory Confirmed Meningitis 1 (NLCM 1) |
| 3069-2 | Neonatal Laboratory Confirmed Meningitis 2 (NLCM 2) |
| 1901-8 | Not cultured |
| 1902-6 | Blood culture not done or no organisms detected in blood |
| 1903-4 | New onset/change in sputum |
| 1904-2 | New onset/worsening cough, dyspnea, tachypnea |
| 1905-9 | Other evidence of infection found |
| 1906-7 | Other signs and symptoms |
| 1907-5 | New onset or change in sputum, increased secretions or increased suctioning |
| 1908-3 | Bradycardia or tachycardia |
| 1909-1 | Occult or gross blood in stools (with no rectal fissure) |
| 1920-8 | Localized swelling |
| 1921-6 | Rales or bronchial breath sounds |
| 1922-4 | Wheezing, rales or rhonchi |
| 1923-3 | Greater than or equal to 5% bronchoalveolar lavage cells with bacteria |
| 1924-0 | Imaging test evidence of infection |
| 1925-7 | New or progressive and persistent infiltrate |
| 1926-5 | Pneumatoceles (in <=1 year old) |
| 1927-3 | One positive culture with >=100,000 cfu/ml with no more than 2 species of microorganisms |
| 1928-1 | Positive dipstick for leukocyte esterase or nitrate |
| 1929-9 | Greater than or equal to 2 positive urine cultures with >=100 cfu/ml of same uropathogen from non-voided specimen |
| 1930-7 | One positive culture with <=100,000 cfu/ml of a single uropathogen in patient being treated with an effective antimicrobial agent for UTI |
| 1931-5 | Greater than or equal to 2 positive urine cultures with >=100,000 cfu/ml with no more than 2 organisms |
| 1934-9 | Positive detection of viral antigen or antibody |
| 1935-6 | Fourfold rise in paired sera for pathogen |
| 1936-4 | Positive culture or microimmunofluorescence of Legionella species |
| 1937-2 | Legionella pneumophila serogroup 1 antigens in urine |
| 1938-0 | Fourfold rise in Legionella pneumophila antibody titer |
| 1939-8 | Matching positive blood and sputum cultures with Candida species |
| 1940-6 | Fungi or Pneumocystis carinii from lower respiratory tract specimen |
| 1941-4 | Other positive laboratory tests |
| 1942-2 | More than 15 colonies cultured from intravascular cannula tip using semi-quantitative culture method |
| 1943-0 | Positive Gram stain when culture is negative or not done |
| 1944-8 | Common commensal from >=2 blood cultures |
| 1946-3 | Organism(s) identified from pleural fluid |
| 1947-1 | Positive quantitative culture from lower respiratory tract (LRT) specimen |
| 1948-9 | Positive culture of virus or Chlamydia |
| 1949-7 | Positive PCR for Chlamydia or Mycoplasma |
| 1950-5 | Positive microimmunofluorescence test for Chlamydia |
| 1951-3 | Recognized pathogen from one or more blood cultures |
| 1952-1 | Positive culture |
| 1953-9 | Positive culture of pathogen |
| 1954-7 | Positive culture of skin contaminant |
| 1955-4 | Positive blood culture |
| 1956-2 | Histopathologic exam with abscess formation or lung parenchyma invasion by fungal hyphae |
| 1957-0 | Acute onset of diarrhea (liquid stools for >12 hours) |
| 1958-8 | Worsening gas exchange |
| 1959-6 | Apnea, tachypnea, nasal flaring with retraction of chest wall or grunting |
| 1960-4 | Pain or tenderness |
| 1962-0 | Physician institutes appropriate antimicrobial therapy |
| 1963-8 | Physician diagnosis of this event type |
| 1964-6 | Allogeneic hematopoietic stem cell transplant (allo-SCT) with grade >=3 gastrointestinal graft-versus-host disease (GI GVHD) |
| 1965-3 | Allogeneic hematopoietic stem cell transplant (allo-SCT) with diarrhea |
| 1966-1 | Positive culture from >=2 separate tissue or fluid samples from affected joint |
| 1967-9 | Incision deliberately opened or drained |
| 1968-7 | Sinus tract |
| 1971-1 | Acute pain, swelling, or tenderness of testes, epididymis, or prostate |
| 1972-9 | Urine not tested for white blood cells |
| 2320-0 | Wound (not related to vascular access) with pus or increased redness |
| 2346-5 | Daily minimum FiO2 increase >=0.20 (20 points) for >=2 days |
| 2347-3 | Daily minimum PEEP increase >=3 cm H2O for >=2 days |
| 2348-1 | Temperature >38°C or <36°C |
| 2349-9 | White blood cell count >=12,000 or <=4,000 cells/mm3 |
| 2350-2 | A new antimicrobial agent(s) is started, and is continued for >=4 days |
| 2351-1 | Criterion 1: positive culture from endotracheal aspirate without purulent respiratory secretions |
| 2352-5 | Criterion 1: positive culture from bronchoalveolar lavage without purulent respiratory secretions |
| 2353-3 | Criterion 1: positive culture from lung tissue without purulent respiratory secretions |
| 2354-1 | Criterion 1: positive culture from protected specimen brush without purulent respiratory secretions |
| 2355-9 | Criterion 2: purulent respiratory secretions plus organism(s) |
| 2356-4 | Criterion 2: organisms from sputum culture with purulent respiratory secretions |
| 2357-2 | Criterion 2: organisms from endotracheal aspirate culture with purulent respiratory secretions |
| 2358-0 | Criterion 2: organisms from bronchoalveolar lavage culture with purulent respiratory secretions |
| 2359-8 | Criterion 2: organisms from lung tissue culture with purulent respiratory secretions |
| 2360-1 | Criterion 2: organisms from protected specimen brush culture with purulent respiratory secretions |
| 2361-0 | Criterion 3: positive test for organism(s) identified from pleural fluid |
| 2362-4 | Criterion 3: positive test for lung histopathology |
| 2363-2 | Criterion 3: positive diagnostic test for Legionella species |
| 2364-0 | Criterion 3: positive diagnostic test for selected viral pathogens |
| 2403-4 | One positive culture with >=1,000 cfu/ml and <100,000 cfu/ml with no more than 2 species of microorganisms |
| 2513-0 | Bilateral infiltrates on chest x-ray |
| 2514-8 | Diffuse hemorrhage |
| 2515-5 | Nausea/vomiting |
| 2516-3 | Criterion not otherwise specified |
| 2517-1 | Pain not otherwise specified |
| 2518-9 | Rash not otherwise specified |
| 3070-0 | Common commensal from blood specimen(s) and antibiotics for >=5 days |
| 3071-8 | Recognized pathogen from cerebrospinal fluid specimen |
| 3072-6 | Common commensal from cerebrospinal fluid specimen and antibiotics for >=5 days |