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Code
Description

ICD-10-CM Code Z28.3
Underimmunization status

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
POA Exempt
POA Exempt Code
The 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.
| ICD-10 from 2011 - 2016

Z28.3 is a billable ICD code used to specify a diagnosis of underimmunization status. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

POA Indicators on CMS form 4010A are as follows:

IndicatorMeaningCMS Will Pay CC/MCC DRG Costs
YDiagnosis was present at time of inpatient admissionYes
NDiagnosis was not present at time of inpatient admissionNo
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.No
WClinically undetermined. Provider unable to clinically determine whether the condition was present at the time of inpatient admission.Yes
1Exempt from POA reportingNo


Coding Notes for Z28.3 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Delinquent immunization status
Lapsed immunization schedule status

MS-DRG Mapping

  • DRG Group #951 - Other factors influencing health status.

ICD-10-CM Alphabetical Index References for 'Z28.3 - Underimmunization status'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Z28.3. Click on any term below to browse the alphabetical index.

Underimmunization status (Z28.3)
Lapsed immunization schedule status (Z28.3)
Delinquent immunization status (Z28.3)

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Personal history of underimmunization status (exact match)

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 V15.83 was previously used, Z28.3 is the appropriate modern ICD10 code.


Parent Code: Z28 - Immunization not carried out and underimmunization status

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/Z283