D80.4
Billable codeSelective deficiency of immunoglobulin M [IgM]
The ICD-10 code for selective deficiency of immunoglobulin m [igm] is D80.4.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D80.0Hereditary hypogammaglobulinemia
- D80.1Nonfamilial hypogammaglobulinemia
- D80.2Selective deficiency of immunoglobulin A [IgA]
- D80.3Selective deficiency of immunoglobulin G [IgG] subclasses
- D80.5Immunodeficiency with increased immunoglobulin M [IgM]
- D80.6Antibody deficiency with near-normal immunoglobulins or with hyperimmunoglobulinemia
- D80.7Transient hypogammaglobulinemia of infancy
- D80.8Other immunodeficiencies with predominantly antibody defects
- D80.9Immunodeficiency with predominantly antibody defects, unspecified
- D80.4Selective deficiency of immunoglobulin M [IgM]
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 27902
Associated MS-DRGs
D80.4 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.