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ICD-10-CM Code for Underimmunization status Z28.3

ICD-10 code Z28.3 for Underimmunization status is a medical classification as listed by WHO under the range - Factors influencing health status and contact with health services .

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Official Long Descriptor

Underimmunization status
Use additional code, if applicable, to identify:
immunization not carried out because of contraindication (Z28.0-)
immunization not carried out because of patient decision for other and unspecified reason (Z28.2-)
immunization not carried out because of patient decision for reasons of belief or group pressure (Z28.1)
immunization not carried out for other reason (Z28.8-)

Z28

Includes: vaccination not carried out

Code also: , if applicable, encounter for immunization safety counseling (Z71.85)

 
Z28.3 Underimmunization status
Child Code
Underimmunization for COVID-19 status
Child Code
Other underimmunization status

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM Z28.3 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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Have a question about ICD-10-CM Code Z28.3 ? Start a discussion here
New immunization status codes not being honored
Since good old Z28.3 was superseded by three codes, Z28.39, Z28.310, and Z28.311 on April 1, 2022, we have gotten tons of rejections. Some insurance companies (Healthfirst, for one) seem to be refusin... [ Read More ]
New Covid ICD-10
Think of it more of a status code for data collection. If documentation is there I am capturing it. With the publication of the Final Rule for the inpatient prospective payment system (IPPS) for fisc... [ Read More ]
99401 covid vaccine counseling
Does any one have any guidance on how to bill for vaccine counseling? I though TNCare was supposed to be paying it at all visits, but UHCCP and UHC are only paying if it's an office visit, BCBS isn't... [ Read More ]
ICD-10 Code Used for Discussion About COVID-19 Vaccine
At present, there is no specific code for immunization counseling without administration; report Z71.89 (other specified counseling). CMS has indicated in the proposed rule for inpatient prospective p... [ Read More ]
Z23 when vaccine was just ordered?
[QUOTE="kbrooks15, post: 404925, member: 362219"]My question is when the provider orders for a vaccine to be given but it needs to be ordered from a local pharmacy, the providers use the Z23 diagnosis... [ Read More ]
Z23 when vaccine was just ordered?
My question is when the provider orders for a vaccine to be given but it needs to be ordered from a local pharmacy, the providers use the Z23 diagnosis often to attach to the order being put into the ... [ Read More ]
Peds Immunization Question
Only the Z23 UNLESS the patient is behind on their immunization schedule or has a history of not "up to date" on immunizations. [QUOTE="foxsd, post: 401768, member: 364161"]Do any of you use Z28.3 w... [ Read More ]
Peds Immunization Question
Do any of you use Z28.3 with Z23 when a wellness visit isn't preformed but child recieved vaccine (like just came in office for flu shot)--- or do you only report Z23? Any trouble getting claims pai... [ Read More ]
Z23 when vaccine was just ordered?
Z28- has several options to explain the reason the immunization was not carried out. But as previously mentioned, if you could provide more information here, that'd be helpful. You can't just bill a... [ Read More ]
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