D75.838 – Other thrombocytosis

ICD-10-CM 2027 diagnosis code · Other disorders of blood and blood-forming organs

Billable code

ICD-10-CM code D75.838
Code
D75.838 (claims format: D75838)
Description
Other thrombocytosis
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Block
D70-D77 Other disorders of blood and blood-forming organs
Parent codes
D75 › D75.8 › D75.83

Notes for D75.838

Applicable to:
  • Reactive thrombocytosis
  • Secondary thrombocytosis
Code also:
  • underlying condition, if known and applicable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

D75 – Other and unspecified diseases of blood and blood-forming organs

Excludes2 (not included here):
  • acute lymphadenitis (L04.-)
  • chronic lymphadenitis (I88.1)
  • enlarged lymph nodes (R59.-)
  • hypergammaglobulinemia NOS (D89.2)
  • lymphadenitis NOS (I88.9)
  • mesenteric lymphadenitis (acute) (chronic) (I88.0)

D75.83 – Thrombocytosis

Excludes2 (not included here):
  • essential thrombocythemia (D47.3)

Index terms for D75.838

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in D75.83

Frequently asked questions

What is ICD-10 code D75.838?

D75.838 is the ICD-10-CM code for other thrombocytosis, in the block D70-D77 (Other disorders of blood and blood-forming organs).

Is D75.838 a billable code?

Yes. D75.838 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does D75.838 belong to?

It belongs to category D75 – Other and unspecified diseases of blood and blood-forming organs.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.