D81.6
BillableMajor histocompatibility complex class I deficiency
D81.6 is the ICD-10-CM code for Major histocompatibility complex class I deficiency. It is a billable, specific code valid for reimbursement.
D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Includes
- •Bare lymphocyte syndrome
Frequently asked questions
- What is ICD-10 code D81.6?
- D81.6 is the ICD-10-CM code for "Major histocompatibility complex class I deficiency". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
- Is D81.6 a billable code?
- Yes — D81.6 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition