ICD-10-CM Diagnosis Code (2025)
Official Description for D81.9
Combined immunodeficiency, unspecified
Coding Notes & Guidelines for D81.9
Inclusion Terms
Severe combined immunodeficiency disorder [SCID] NOS
Parent Code (Less Specific):
About ICD-10-CM Code D81.9 (Combined immunodeficiency)
ICD-10-CM code D81.9 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 D81.9 became effective on October 1, 2024.
This page provides detailed information about D81.9 - Combined immunodeficiency, unspecified. 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 Combined immunodeficiency related to unspecified.