| Z05 | Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out | NON-BILLABLE CODE |
| Z05.0 | Observation and evaluation of newborn for suspected cardiac condition ruled out | BILLABLE CODE |
| Z05.1 | Observation and evaluation of newborn for suspected infectious condition ruled out | BILLABLE CODE |
| Z05.2 | Observation and evaluation of newborn for suspected neurological condition ruled out | BILLABLE CODE |
| Z05.3 | Observation and evaluation of newborn for suspected respiratory condition ruled out | BILLABLE CODE |
| Z05.4 | Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out | NON-BILLABLE CODE |
| Z05.41 | Observation and evaluation of newborn for suspected genetic condition ruled out | BILLABLE CODE |
| Z05.42 | Observation and evaluation of newborn for suspected metabolic condition ruled out | BILLABLE CODE |
| Z05.43 | Observation and evaluation of newborn for suspected immunologic condition ruled out | BILLABLE CODE |
| Z05.5 | Observation and evaluation of newborn for suspected gastrointestinal condition ruled out | BILLABLE CODE |
| Z05.6 | Observation and evaluation of newborn for suspected genitourinary condition ruled out | BILLABLE CODE |
| Z05.7 | Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out | NON-BILLABLE CODE |
| Z05.71 | Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out | BILLABLE CODE |
| Z05.72 | Observation and evaluation of newborn for suspected musculoskeletal condition ruled out | BILLABLE CODE |
| Z05.73 | Observation and evaluation of newborn for suspected connective tissue condition ruled out | BILLABLE CODE |
| Z05.8 | Observation and evaluation of newborn for other specified suspected condition ruled out | NON-BILLABLE CODE |
| Z05.81 | Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out | BILLABLE CODE |
| Z05.89 | Observation and evaluation of newborn for other specified suspected condition ruled out | BILLABLE CODE |
