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    v1.0.28
    OpenPayerBilling CodesOther disorders of blood and blood-forming organsICD-10-CM d73-diseases-of-spleen
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    ICD-10-CM Code For Diseases Of Spleen: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group D73 includes nonmalignant diseases of the spleen such as splenomegaly, splenic abscess, splenic rupture, and other specified or unspecified splenic disorders. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving splenic disease that affect hematologic function, immune response, or require procedural or medical management. Accurate coding within the ICD-10-CM D73 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM D73: Diseases Of Spleen Overview

    The ICD-10-CM D73 diagnoses represent disorders affecting the spleen, including splenic enlargement, abscess, rupture, and other nonmalignant splenic diseases. These conditions target the hematologic and lymphoreticular systems and often impact blood filtration, immune function, and platelet sequestration. Accurate coding matters for proper claim adjudication and to reflect clinical complexity that affects treatment and resource use.

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    When to Use

    Use a code from this group when the clinical documentation identifies a specific nonmalignant splenic disorder such as splenomegaly, splenic abscess, or splenic rupture. Apply the most specific code available based on diagnostic testing, clinical findings, and any documentation of complications or associated conditions.

    ICD-10-CM Codes

    9 rows

    ICD-10-CM CodeDescription
    D73.0Hyposplenism
    D73.1Hypersplenism
    D73.2Chronic congestive splenomegaly
    D73.3Abscess of spleen
    D73.4Cyst of spleen
    D73.5Infarction of spleen
    D73.81Neutropenic splenomegaly
    D73.89Other diseases of spleen
    D73.9Disease of spleen, unspecified

    DRG Codes

    3 rows

    DRG CodeDescription
    814Reticuloendothelial and Immunity Disorders with MCC
    815Reticuloendothelial and Immunity Disorders with CC
    816Reticuloendothelial and Immunity Disorders without CC/MCC

    Related Codes

    D70-NEUTROPENIA

    ICD-10-CM Code For Neutropenia: Group Overview

    D71-FUNCTIONAL-DISORDERS-OF-POLYMORPHONUCLEAR-NEUTROPHILS

    ICD-10-CM Code For Functional Disorders Of Polymorphonuclear Neutrophils: Group Overview

    D72-OTHER-DISORDERS-OF-WHITE-BLOOD-CELLS

    ICD-10-CM Code For Other Disorders Of White Blood Cells: Group Overview

    D74-METHEMOGLOBINEMIA

    ICD-10-CM Code For Methemoglobinemia: Group Overview

    D75-OTHER-AND-UNSPECIFIED-BLOOD-DISORDERS

    ICD-10-CM Code For Other And Unspecified Diseases Of Blood And Blood-Forming Organs: Group Overview

    D76-OTHER-SPECIFIED-LYMPHORETICULAR-DISEASES

    ICD-10-CM Code For Other Specified Diseases With Participation Of Lymphoreticular And Reticulohistiocytic Tissue: Group Overview

    D77-OTHER-DISORDERS-OF-BLOOD

    ICD-10-CM Code For Other Disorders Of Blood And Blood-Forming Organs In Diseases Classified Elsewhere: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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