ICD-10-CM Alphabetic Index · FY 2027 7 Entries

Thrombocytosis in the ICD-10-CM Index ICD-10-CM

The main term Thrombocytosis carries 7 index entries pointing to 3 ICD-10-CM codes. The default entry is D75.839, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2027 index fileEffective Oct 1, 2026 – Sep 30, 2027
7
Index Entries
3
Codes Referenced
D75.839
Default Code
T
Letter
7 of 7 shown
ICD-10-CM

Index Entries Under Thrombocytosis 7 entries · 3 codes

Thrombocytosis D75.839
essential D47.3
idiopathic D47.3
primary D47.3
reactive D75.838
secondary D75.838
specified NEC D75.838

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Related Index Terms

All index terms starting with TIndex to Diseases and InjuriesICD-10-CM Code Lookup

Source: Centers for Medicare & Medicaid Services, FY 2027 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2026 through September 30, 2027.