ICD-10-CM code · FY2027
D84.822 Immunodeficiency due to external causes
BillableValid for claims as a specific diagnosis code
About D84.822
- Code
- D84.822
- Billable
- Yes
- Short description
- Immunodeficiency due to external causes
- Category
- D84 Other immunodeficiencies
- Block
- D80-D89 Certain disorders involving the immune mechanism
- Chapter
- 3 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- Code set
- FY2027, October 1, 2026 to September 30, 2027
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Coding notes for D84.822
Use additional code Add a second code for the detail named here.
- code for external cause such as:
- exposure to ionizing radiation (W88)
Code also Another code may be needed as well; the order depends on the encounter.
- , if applicable, radiological procedure and radiotherapy (Y84.2)
Block D80-D89 notes (apply to every code in it)
Includes Conditions this code covers.
- defects in the complement system
- immunodeficiency disorders, except human immunodeficiency virus [HIV] disease
- sarcoidosis
Excludes1 Not coded here: never report these together with this code (use the code given instead).
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- human immunodeficiency virus [HIV] disease (B20)
Chapter 3 notes (apply to every code in it)
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- autoimmune disease (systemic) NOS (M35.9)
- certain conditions originating in the perinatal period (P00-P96)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- human immunodeficiency virus [HIV] disease (B20)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Related codes in D84.82
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