Non-Billable / Non-Specific Code
ICD-10-CM D72.81 is the diagnosis code for Decreased white blood cell count. This code falls under the section "Other disorders of blood and blood-forming organs" within Chapter 3 â Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in D72.81. If the patient has both, code each condition separately:
Understanding where D72.81 sits in the ICD-10-CM classification helps ensure proper coding:
No, D72.81 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
D72.81 is the ICD-10-CM diagnosis code for "Decreased white blood cell count". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of D72.81 is D72.8 ("Other specified disorders of white blood cells"). D72.81 provides a more specific classification within this category.
D72.81 is located in Section D70-D77 â "Other disorders of blood and blood-forming organs" within Chapter 3 of the ICD-10-CM Tabular List.
D72.81 has 3 sub-code(s) that provide more specific detail: D72.810, D72.818, D72.819.
Use D72.81 when the patients documented diagnosis matches "Decreased white blood cell count" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Decreased white blood cell count is D72.81.
No, D72.81 is non-billable. Use a more specific sub-code for primary diagnosis billing.
D72.81 is in Chapter 3 of the ICD-10-CM Tabular List.
Yes, D72.81 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.