ICD-10-CM Diagnosis Code (2025)
Official Description for D84.821
Immunodeficiency due to drugs
Coding Notes & Guidelines for D84.821
code for adverse effect if applicable, to identify adverse effect of drug (T36-T50 with fifth or six character 5)
- code, if applicable, for associated long term (current) drug therapy drug or medication such as:
- long term (current) drug therapy systemic steroids (Z79.52)
- other long term (current) drug therapy (Z79.899)
Immunodeficiency due to (current or past) medication
Parent Code (Less Specific):
About ICD-10-CM Code D84.821 (Immunodeficiency due to drugs)
ICD-10-CM code D84.821 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM D84.821 became effective on October 1, 2024.
This page provides detailed information about D84.821 - Immunodeficiency due to drugs. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Immunodeficiency due to drugs.