Non-Billable / Non-Specific Code
ICD-10-CM D80 is the diagnosis code for Immunodeficiency with predominantly antibody defects. This code falls under the section "Certain disorders involving the immune mechanism" within Chapter 3 — Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where D80 sits in the ICD-10-CM classification helps ensure proper coding:
No, D80 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
D80 is the ICD-10-CM diagnosis code for "Immunodeficiency with predominantly antibody defects". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
D80 is located in Section D80-D89 — "Certain disorders involving the immune mechanism" within Chapter 3 of the ICD-10-CM Tabular List.
D80 has 10 sub-code(s) that provide more specific detail: D80.0, D80.1, D80.2, D80.3, D80.4 and more.
Use D80 when the patients documented diagnosis matches "Immunodeficiency with predominantly antibody defects" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Immunodeficiency with predominantly antibody defects is D80.
No, D80 is non-billable. Use a more specific sub-code for primary diagnosis billing.
D80 is in Chapter 3 of the ICD-10-CM Tabular List.
Yes, D80 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.