D72.9 Disorder of white blood cells, unspecified

Billable ICD-10-CM code, FY2026.

Applicable to

• Abnormal leukocyte differential NOS

Applies from D72 Other disorders of white blood cells

Excludes1 (never code together)

• basophilia (D72.824)
• immunity disorders (D80-D89)
• neutropenia (D70)
• preleukemia (syndrome) (D46.9)

MS-DRG index

Defines the logic of DRG(s) 814-816 in MDC 16.

Approximate ICD-9-CM (GEMs)

• 288.9 Unspecified disease of white blood cells

Diagnosis Index entries for D72.9

• Abnormal, abnormality, abnormalities › leukocyte (cell) (differential) NEC
• Abnormal, abnormality, abnormalities › white blood cells
• Disease, diseased › white blood cells
• Disorder (of) › white blood cells
• Findings, abnormal, inconclusive, without diagnosis › white blood cell (count) (differential) (morphology)

Nearby codes

• D72.824 Basophilia
• D72.825 Bandemia
• D72.828 Other elevated white blood cell count
• D72.829 Elevated white blood cell count, unspecified
• D72.89 Other specified disorders of white blood cells
• D72.9 Disorder of white blood cells, unspecified (this code)