What is the ICD-10-CM code for leukopenia?

The primary ICD-10-CM code for leukopenia is D72.819 (Decreased white blood cell count, unspecified). There are 8 billable leukopenia codes in FY2027, covering different types and underlying causes.

How many ICD-10-CM codes are there for leukopenia?

There are 9 ICD-10-CM codes for leukopenia in the FY2027 tabular list, of which 8 are billable. These codes fall under Chapter 3 of the ICD-10-CM classification.

Which chapter covers leukopenia in ICD-10-CM?

Leukopenia codes are classified in Chapter 3 of the ICD-10-CM tabular list: D50–D89 (Diseases of the Blood and Blood-Forming Organs).

Leukopenia ICD-10-CM codes

ICD-10-CM codes for leukopenia (decreased white blood cell count), including lymphocytopenia, with cross-references to neutropenia and pancytopenia.

9 codes, 8 billable. FY2027, valid from October 1, 2026. In chapter 3: Diseases of the Blood and Blood-Forming Organs.

How to code Leukopenia

D72.819 is decreased white blood cell count, unspecified, and is the code the index gives for leukopenia NOS and low WBC. Lymphocytopenia (lymphopenia) is D72.810, and other specified decreases, such as basophilic or eosinophilic leukopenia, are D72.818.

When the low count is specifically neutrophils, code neutropenia from D70 instead: D70.9 unspecified, D70.1 after cancer chemotherapy, and D70.2 for other drug-induced neutropenia. The index sends chemotherapy-induced leukopenia to D70.1 and drug-induced leukopenia to D70.2.

When red cells and platelets are also low, the finding is pancytopenia (D61.818 or another D61.81- code), not leukopenia. Transient neutropenia in a newborn is P61.5.

All Leukopenia codes

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