Skip to main content

D72.18 ICD-10-CM Code: Eosinophilia in diseases classified elsewhere

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0, Appendix B.

  • MS-DRG 814 — RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITH MCC (MDC 16)
  • MS-DRG 815 — RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITH CC (MDC 16)
  • MS-DRG 816 — RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITHOUT CC/MCC (MDC 16)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Official Registry Overview & Definition

Eosinophilia in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (D72.18).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for D72.18 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Code First

Underlying conditions that must be sequenced before this code.

  • underlying disease, such as:
  • chronic myelomonocytic leukemia (C93.1-)

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Eosinophilia (allergic) (idiopathic) (secondary), in disease classified elsewhere

Frequently Compared Codes

The official Excludes notes on D72.18 name these codes. Each comparison page covers when the two can — or must not — be reported together.

Change history

  • FY2021 — 2020-10-01
    Added to the code set
    Eosinophilia in diseases classified elsewhere
    FY2021 changes

Verify Before Coding

  • Principal-diagnosis restriction. This is a manifestation code: the Medicare Code Editor requires the underlying condition (etiology) to be sequenced first, with this code reported after it.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Referenced by Other Codes

Clinical classification (AHRQ CCSR):BLD007 — Diseases of white blood cells.

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Potential MS-DRG Relationships (FY2026)

Not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity.

Named in the grouper logic of 3 MS-DRGs: DRG 814 (MDC 16), DRG 815 (MDC 16), DRG 816 (MDC 16).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Official ICD-10-CM tabular notes on other codes that name D72.18 or its code family.

2 Code Also instructions: C93.1, C94.8.

Contextual Map

Every relationship of D72.18 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • D50-D89 — Chapter 3: Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) (D50-D89) [Hierarchy]

Code First

  • C93.1 — Chronic myelomonocytic leukemia [Code First]: “chronic myelomonocytic leukemia (C93.1-)” · check together

Referenced by Code Also instructions

  • C93.1 — Chronic myelomonocytic leukemia [Code Also]: “, if applicable, eosinophilia (D72.18)” · check together
  • C94.8 — Other specified leukemias [Code Also]: “, if applicable, eosinophilia (D72.18)” · check together

Clinical classification (CCSR)

  • BLD007 — Diseases of white blood cells [CCSR]

Potential MS-DRG

  • DRG 814 — RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITH MCC [MS-DRG]: “RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITH MCC (MDC 16)”
  • DRG 815 — RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITH CC [MS-DRG]: “RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITH CC (MDC 16)”
  • DRG 816 — RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITHOUT CC/MCC [MS-DRG]: “RETICULOENDOTHELIAL AND IMMUNITY DISORDERS WITHOUT CC/MCC (MDC 16)”

MDC crossing · procedures (1614)

  • MDC 16 — Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders [MDC crossing]: “Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • 02HV02Z — Insertion of Monitoring Device into Superior Vena Cava, Open Approach [Same-MDC procedure]: “Insertion of Monitoring Device into Superior Vena Cava, Open Approach — grouped in MDC 16, the procedure side of this code's crossing.” · check together
  • 02HV0DZ — Insertion of Intraluminal Device into Superior Vena Cava, Open Approach [Same-MDC procedure]: “Insertion of Intraluminal Device into Superior Vena Cava, Open Approach — grouped in MDC 16, the procedure side of this code's crossing.” · check together
  • 02HV3DZ — Insertion of Intraluminal Device into Superior Vena Cava, Percutaneous Approach [Same-MDC procedure]: “Insertion of Intraluminal Device into Superior Vena Cava, Percutaneous Approach — grouped in MDC 16, the procedure side of this code's crossing.” · check together
  • 02HV42Z — Insertion of Monitoring Device into Superior Vena Cava, Percutaneous Endoscopic Approach [Same-MDC procedure]: “Insertion of Monitoring Device into Superior Vena Cava, Percutaneous Endoscopic Approach — grouped in MDC 16, the procedure side of this code's crossing.” · check together
  • 02HV4DZ — Insertion of Intraluminal Device into Superior Vena Cava, Percutaneous Endoscopic Approach [Same-MDC procedure]: “Insertion of Intraluminal Device into Superior Vena Cava, Percutaneous Endoscopic Approach — grouped in MDC 16, the procedure side of this code's crossing.” · check together
  • and 1609 more

Index entries

  • Eosinophilia (allergic) (idiopathic) (secondary), in disease classified elsewhere[Index term]

Nearest codes (27)

  • D72 — Other disorders of white blood cells [Sibling]
  • D72.0 — Genetic anomalies of leukocytes [Sibling]
  • D72.1 — Eosinophilia [Sibling]
  • D72.10 — Eosinophilia, unspecified [Sibling]
  • D72.11 — Hypereosinophilic syndrome [HES] [Sibling]
  • D72.110 — Idiopathic hypereosinophilic syndrome [IHES] [Sibling]
  • D72.111 — Lymphocytic Variant Hypereosinophilic Syndrome [LHES] [Sibling]
  • D72.118 — Other hypereosinophilic syndrome [Sibling]
  • and 19 more

Change history

  • FY2021 — Added to the code set [Change history]

Nearest Codes in This Family

Official ICD-10-CM classifications closest to D72.18 in its code family, with their registry titles.

  • D72.110 — Idiopathic hypereosinophilic syndrome [IHES]
  • D72.111 — Lymphocytic Variant Hypereosinophilic Syndrome [LHES]
  • D72.118 — Other hypereosinophilic syndrome
  • D72.119 — Hypereosinophilic syndrome [HES], unspecified
  • D72.12 — Drug rash with eosinophilia and systemic symptoms syndrome
  • D72.19 — Other eosinophilia
  • D72.8 — Other specified disorders of white blood cells
  • D72.81 — Decreased white blood cell count
  • D72.810 — Lymphocytopenia
  • D72.818 — Other decreased white blood cell count

View all codes in the D72 family