D80.5
Immunodeficiency with increased immunoglobulin M [IgM]
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
D80-D89block
D50-D89chapter
Excludes2
- autoimmune disease (systemic) NOS (M35.9)M35.9
- certain conditions originating in the perinatal period (P00-P96)P00-P96
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- human immunodeficiency virus [HIV] disease (B20)B20
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
D80-D89block
Includes
- defects in the complement system
- immunodeficiency disorders, except human immunodeficiency virus [HIV] disease
- sarcoidosis
Index entries leading here 1
Alongside this code 9 same parent — D80
D80.0 Hereditary hypogammaglobulinemia D80.1 Nonfamilial hypogammaglobulinemia D80.2 Selective deficiency of immunoglobulin A [IgA] D80.3 Selective deficiency of immunoglobulin G [IgG] subclasses D80.4 Selective deficiency of immunoglobulin M [IgM] D80.6 Antibody defic w near-norm immunoglob or w hyperimmunoglob D80.7 Transient hypogammaglobulinemia of infancy D80.8 Other immunodeficiencies with predominantly antibody defects D80.9 Immunodeficiency with predominantly antibody defects, unsp
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.