ICD-10-CM · Chapter 21 · Z00-Z99
Z05 Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
Includes
- 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.
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Z05..0 | Observation and evaluation of newborn for suspected cardiac condition ruled out | Yes |
| Z05..1 | Observation and evaluation of newborn for suspected infectious condition ruled out | Yes |
| Z05..2 | Observation and evaluation of newborn for suspected neurological condition ruled out | Yes |
| Z05..3 | Observation and evaluation of newborn for suspected respiratory condition ruled out | Yes |
| Z05..4 | Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out | No |
| Z05..41 | Observation and evaluation of newborn for suspected genetic condition ruled out | Yes |
| Z05..42 | Observation and evaluation of newborn for suspected metabolic condition ruled out | Yes |
| Z05..43 | Observation and evaluation of newborn for suspected immunologic condition ruled out | Yes |
| Z05..5 | Observation and evaluation of newborn for suspected gastrointestinal condition ruled out | Yes |
| Z05..6 | Observation and evaluation of newborn for suspected genitourinary condition ruled out | Yes |
| Z05..7 | Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out | No |
| Z05..71 | Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out | Yes |
| Z05..72 | Observation and evaluation of newborn for suspected musculoskeletal condition ruled out | Yes |
| Z05..73 | Observation and evaluation of newborn for suspected connective tissue condition ruled out | Yes |
| Z05..8 | Observation and evaluation of newborn for other specified suspected condition ruled out | No |
| Z05..81 | Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out | Yes |
| Z05..89 | Observation and evaluation of newborn for other specified suspected condition ruled out | Yes |
| Z05..9 | Observation and evaluation of newborn for unspecified suspected condition ruled out | Yes |
Last reviewed: September 2026