Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out (Z05)
The ICD-10 code Z05 and its subcodes cover encounters for the observation and evaluation of newborns when a suspected disease or condition has been considered but ultimately ruled out. These codes are specifically used when the infant is being observed due to concerns about various potential health issues that do not end up being confirmed.
The detailed codes range from Z05.0 through Z05.9, each identifying newborn evaluations for different suspected but excluded conditions, such as cardiac (Z05.0), infectious (Z05.1), neurological (Z05.2), respiratory (Z05.3), genetic, metabolic, immunologic (Z05.4–Z05.43), gastrointestinal (Z05.5), genitourinary (Z05.6), and skin or musculoskeletal concerns (Z05.7–Z05.73). The code Z05.9 is used when the suspected condition is unspecified, including terms like "probable SARS" or "suspected clinical finding." Medical coders use these codes to document thorough newborn assessments when symptoms lead to concerns but no definitive diagnosis is made, making them essential for nuanced clinical record-keeping and accurate newborn care documentation.
Factors influencing health status and contact with health services (Z00–Z99)
Persons encountering health services for examinations (Z00-Z13)
Z05 Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
- Z05.0 Observation and evaluation of newborn for suspected cardiac condition ruled out
- Z05.1 Observation and evaluation of newborn for suspected infectious condition ruled out
- Z05.2 Observation and evaluation of newborn for suspected neurological condition ruled out
- Z05.3 Observation and evaluation of newborn for suspected respiratory condition ruled out
Z05.4 Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out
- Z05.41 Observation and evaluation of newborn for suspected genetic condition ruled out
- Z05.42 Observation and evaluation of newborn for suspected metabolic condition ruled out
- Z05.43 Observation and evaluation of newborn for suspected immunologic condition ruled out
- Z05.5 Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
- Z05.6 Observation and evaluation of newborn for suspected genitourinary condition ruled out
Z05.7 Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out
- Z05.71 Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out
- Z05.72 Observation and evaluation of newborn for suspected musculoskeletal condition ruled out
- Z05.73 Observation and evaluation of newborn for suspected connective tissue condition ruled out
Z05.8 Observation and evaluation of newborn for other specified suspected condition ruled out
- Z05.81 Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out
- Z05.89 Observation and evaluation of newborn for other specified suspected condition ruled out
- Z05.9 Observation and evaluation of newborn for unspecified suspected condition ruled out
Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out (Z05)
Instructional Notations
Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- This category is to be used for newborns, within the neonatal period (the first 28 days of life), who are suspected of having an abnormal condition, but without signs or symptoms, and which, after examination and observation, is ruled out.
