Z05.43
BillableObservation and evaluation of newborn for suspected immunologic condition ruled out
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A newborn is observed and evaluated for a suspected immune system condition, but testing rules out any immunologic problems.
Coding Tips
- •Apply this code when immune function was evaluated due to maternal factors or clinical concerns but testing was normal
- •Document the specific immunologic concern that prompted evaluation
Code Hierarchy
└Z05Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out└Z05.4Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out└Z05.43Observation and evaluation of newborn for suspected immunologic condition ruled out
└Z05.43Observation and evaluation of newborn for suspected immunologic condition ruled out