ICD-10-CM Code Z28.9
Immunization not carried out for unspecified reason
Billable CodeBillable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
POA Exempt CodeThe Center for Medicare & Medicaid Services (CMS) requires medical coders to indicate whether or not a condition was present at the time of admission, in order to properly assign MS-DRG codes. This "Present On Admission" (POA) indicator is recorded on CMS form 4010A.
Z28.9 is a billable ICD code used to specify a diagnosis of immunization not carried out for unspecified reason. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
POA Indicators on CMS form 4010A are as follows:
|Indicator||Meaning||CMS Will Pay CC/MCC DRG Costs|
|Y||Diagnosis was present at time of inpatient admission||Yes|
|N||Diagnosis was not present at time of inpatient admission||No|
|U||Documentation insufficient to determine if the condition was present at the time of inpatient admission.||No|
|W||Clinically undetermined. Provider unable to clinically determine whether the condition was present at the time of inpatient admission.||Yes|
|1||Exempt from POA reporting||No|
- DRG Group #795 - Normal newborn.
- DRG Group #951 - Other factors influencing health status.
ICD-10-CM Alphabetical Index References for 'Z28.9 - Immunization not carried out for unspecified reason'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Z28.9. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code V64.00 was previously used, Z28.9 is the appropriate modern ICD10 code.