Newborn ICD-10-CM Codes
ICD-10-CM codes that are only valid for patients age 0 (newborns and neonates).
42 codes
Grouped by ICD-10 chapterThese codes are clinically and virtually impossible to be applicable to patients older than age 0. Using these codes for older patients will trigger an age conflict edit in the Medicare Code Editor.
A00-B99
Infectious and Parasitic Diseases1
A33Tetanus neonatorum
E00-E89
Endocrine, Nutritional and Metabolic Diseases1
E84.11Meconium ileus in cystic fibrosis
H00-H59
Eye and Adnexa Diseases4
N00-N99
Genitourinary System Diseases1
N47.0Adherent prepuce, newborn
Z00-Z99
Factors Influencing Health Status35
Z00.110Health examination for newborn under 8 days old
Z00.111Health examination for newborn 8 to 28 days old
Z05.0Observation and evaluation of newborn for suspected cardiac condition ruled out
Z05.1Observation and evaluation of newborn for suspected infectious condition ruled out
Z05.2Observation and evaluation of newborn for suspected neurological condition ruled out
Z05.3Observation and evaluation of newborn for suspected respiratory condition ruled out
Z05.41Observation and evaluation of newborn for suspected genetic condition ruled out
Z05.42Observation and evaluation of newborn for suspected metabolic condition ruled out
Z05.43Observation and evaluation of newborn for suspected immunologic condition ruled out
Z05.5Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
Z05.6Observation and evaluation of newborn for suspected genitourinary condition ruled out
Z05.71Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out
Z05.72Observation and evaluation of newborn for suspected musculoskeletal condition ruled out
Z05.73Observation and evaluation of newborn for suspected connective tissue condition ruled out
Z05.81Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out
Z05.89Observation and evaluation of newborn for other specified suspected condition ruled out
Z05.9Observation and evaluation of newborn for unspecified suspected condition ruled out
Z38.00Single liveborn infant, delivered vaginally
Z38.01Single liveborn infant, delivered by cesarean
Z38.1Single liveborn infant, born outside hospital
Z38.2Single liveborn infant, unspecified as to place of birth
Z38.30Twin liveborn infant, delivered vaginally
Z38.31Twin liveborn infant, delivered by cesarean
Z38.4Twin liveborn infant, born outside hospital
Z38.5Twin liveborn infant, unspecified as to place of birth
Z38.61Triplet liveborn infant, delivered vaginally
Z38.62Triplet liveborn infant, delivered by cesarean
Z38.63Quadruplet liveborn infant, delivered vaginally
Z38.64Quadruplet liveborn infant, delivered by cesarean
Z38.65Quintuplet liveborn infant, delivered vaginally
Z38.66Quintuplet liveborn infant, delivered by cesarean
Z38.68Other multiple liveborn infant, delivered vaginally
Z38.69Other multiple liveborn infant, delivered by cesarean
Z38.7Other multiple liveborn infant, born outside hospital
Z38.8Other multiple liveborn infant, unspecified as to place of birth
Source: CMS Definitions of Medicare Code Edits v43.0 (FY 2026)