D84.822
D84.822: Immunodeficiency due to external causes
Billable / specific codeICD-10-CM
D84.822 is a billable, specific ICD-10-CM code for immunodeficiency due to external causes. It is valid for submission on a claim.
Check D84.822 with the rest of the claim: free scrubberUse additional code
Add a secondary code to capture the detail described below.
- code for external cause such as:
- exposure to ionizing radiation (W88)
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- , if applicable, radiological procedure and radiotherapy (Y84.2)
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
D84.822 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56464Billing and Coding: Flow Cytometry
- A56638Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)
- A56642Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)
- A57044Billing and Coding: Removal of Benign Skin Lesions
Alphabetic index entries that lead here
- Immunodeficiency›due to›external causes
Code history
Unchanged in every release from FY2024 to FY2027.