2021 ICD-10-CM Diagnosis Code D72.9

Disorder of white blood cells, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • D72.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM D72.9 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of D72.9 - other international versions of ICD-10 D72.9 may differ.
Applicable To
  • Abnormal leukocyte differential NOS
The following code(s) above D72.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to D72.9:
  • D50-D89
    2021 ICD-10-CM Range D50-D89

    Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

    Type 2 Excludes
    • autoimmune disease (systemic) NOS (M35.9)
    • certain conditions originating in the perinatal period (P00-P96)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • human immunodeficiency virus [HIV] disease (B20)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
  • D72
    ICD-10-CM Diagnosis Code D72

    Other disorders of white blood cells

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Other disorders of white blood cells
Approximate Synonyms
  • White blood cell disorder
Clinical Information
  • Disordered formation of various types of leukocytes or an abnormal accumulation or deficiency of these cells.
ICD-10-CM D72.9 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 814 Reticuloendothelial and immunity disorders with mcc
  • 815 Reticuloendothelial and immunity disorders with cc
  • 816 Reticuloendothelial and immunity disorders without cc/mcc

Convert D72.9 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to D72.9:

ICD-10-CM Codes Adjacent To D72.9
D72.82 Elevated white blood cell count
D72.820 Lymphocytosis (symptomatic)
D72.821 Monocytosis (symptomatic)
D72.822 Plasmacytosis
D72.823 Leukemoid reaction
D72.824 Basophilia
D72.825 Bandemia
D72.828 Other elevated white blood cell count
D72.829 …… unspecified
D72.89 Other specified disorders of white blood cells
D72.9 Disorder of white blood cells, unspecified
D73 Diseases of spleen
D73.0 Hyposplenism
D73.1 Hypersplenism
D73.2 Chronic congestive splenomegaly
D73.3 Abscess of spleen
D73.4 Cyst of spleen
D73.5 Infarction of spleen
D73.8 Other diseases of spleen
D73.81 Neutropenic splenomegaly
D73.89 Other diseases of spleen

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.