D72.9
Billable

Disorder of white blood cells, unspecified

Billable / Specific Code

What is Disorder of white blood cells, unspecified?

ICD-10-CM D72.9 is the diagnosis code for Disorder of white blood cells, unspecified. This code falls under the section "Other disorders of blood and blood-forming organs" within Chapter 3 — Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for D72.9

✅ This Code Includes

  • Abnormal leukocyte differential NOS

ICD-10-CM Code Hierarchy

Understanding where D72.9 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is D72.9 a billable ICD-10-CM code?

Yes, D72.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does D72.9 mean?

D72.9 is the ICD-10-CM diagnosis code for "Disorder of white blood cells, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of D72.9?

The parent code of D72.9 is D72 ("Other disorders of white blood cells"). D72.9 provides a more specific classification within this category.

What section is D72.9 in?

D72.9 is located in Section D70-D77 — "Other disorders of blood and blood-forming organs" within Chapter 3 of the ICD-10-CM Tabular List.

When should I use D72.9?

Use D72.9 when the patients documented diagnosis matches "Disorder of white blood cells, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Disorder of white blood cells, unspecified?

The ICD-10-CM code for Disorder of white blood cells, unspecified is D72.9.

Can D72.9 be used for primary diagnosis?

Yes, D72.9 can be used as a primary diagnosis code since it is billable and specific.

What chapter is D72.9 in?

D72.9 is in Chapter 3 of the ICD-10-CM Tabular List.

Is D72.9 valid for 2026?

Yes, D72.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousD72.89Other specified disorders of white blood cellsNext →D73Diseases of spleen
Code Details
D72.9
Disorder of white blood cells, unspecified
Billable / Specific Code
3 — Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
D70-D77 — Other disorders of blood and blood-forming organs
2026 ICD-10-CM