Reader Questions:
Check ICD-10-CM Guidelines for Info on Observation Diagnoses
Published on Tue Dec 15, 2020
Question: Should we report the observation diagnosis codes (Z03-Z05) as primary diagnoses or secondary? Or does it not matter? Pennsylvania Subscriber Answer: Although in the past, you needed to report the observation diagnosis codes as principal diagnoses, that is no longer the case. The ICD-10-CM 2021 Guidelines included information about the following three observation category codes: Z03 (Encounter for medical [...]