Z01.84: Encounter for antibody response examination
Z01.84 is a billable, specific ICD-10-CM code for encounter for antibody response examination. It is valid for submission on a claim.
Check Z01.84 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- encounter for allergy testing (Z01.82)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Encounter for immunity status testing
Excludes1 inherited from the categories above Z01.84
A category’s note binds every code beneath it.
Written on Z01: Encounter for other special examination without complaint, suspected or reported diagnosis
Excludes2 inherited from the categories above Z01.84
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with Z01.84
Their own Excludes1 notes name this code, so the conflict is not listed above.
- Z01.82Encounter for allergy testing
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Z01.84 is named in 1 Medicare coverage policy: 0 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A52379Billing and Coding: CPT Code 87641 (Infectious agent detection by nucleic acid (DNA or RNA); Staphylococcus aureus, methicillin resistant, amplified probe technique)not covered
Alphabetic index entries that lead here
- Examination›antibody response
- Examination›immunity status testing
- Test, tests, testing›immunity status
Code history
Unchanged in every release from FY2024 to FY2027.