Z51.6
Billable codeEncounter for desensitization to allergens
The ICD-10 code for encounter for desensitization to allergens is Z51.6.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z51.0Encounter for antineoplastic radiation therapy
- Z51.1Encounter for antineoplastic chemotherapy and immunotherapynon-billable header
- Z51.5Encounter for palliative care
- Z51.8Encounter for other specified aftercarenon-billable header
- Z51.AEncounter for sepsis aftercare
- Z51.6Encounter for desensitization to allergens
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- V071
Associated MS-DRGs
Z51.6 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.