ICD-10-CM > J00-J99 > J09-J18 > J16 J16 Pneumonia due to other infectious organisms, not elsewhere classified Non-Billable/Non-Specific Code First , if applicable, associated influenza (J09.X1, J10.0-, J11.0-) Code Also , if applicable, any associated condition such as:abscess (J85.1)aspiration pneumonia (J69.-) Type 1 Excludes congenital pneumonia (P23.-)ornithosis (A70)pneumocystosis (B59)pneumonia NOS (J18.9) Codes J16.0Chlamydial pneumoniaJ16.8Pneumonia due to other specified infectious organisms