What is ICD-10 code D72.829?

D72.829 is the ICD-10-CM diagnosis code for Elevated white blood cell count, unspecified. It belongs to the ICD-10-CM chapter for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (d50-d89). D72.829 is a billable code, meaning it can be reported on a claim as a primary or secondary diagnosis when supported by documentation. D72.829 is part of the FY2026 ICD-10-CM code set published by the CMS National Center for Health Statistics and used on Medicare, Medicaid, and commercial claims in the United States.

Yes. D72.829 is a billable ICD-10-CM code that can be reported on professional and institutional claims as a primary or secondary diagnosis when the provider documentation supports the specific condition described. Billable codes in ICD-10-CM are coded to the highest level of specificity available for the documented diagnosis. D72.829 is current for fiscal year 2026 and remains in the active CMS ICD-10-CM code set published by the National Center for Health Statistics.

Which HCC does D72.829 map to under V28?

D72.829 has no payable CMS-HCC V28 mapping in the final FY2026 CMS file.

What RAF reference is published for D72.829?

D72.829 has no V28 reference coefficient because the final FY2026 source verifies no payable V28 mapping.

What is the V28 vs V24 difference for D72.829?

D72.829 has verified no payable V28 mapping in the final FY2026 source. Select a historical effective period before making any V24 comparison.

What documentation supports D72.829?

This is an unspecified code; use only when the specific type of elevated WBC cannot be determined Query the provider for more specific information about which white blood cells are elevated D72.829 is not a CMS-HCC V28 payment code in the verified current source, so MEAT is not the payment hook. Documentation still has to support the diagnosis if you report it.

2026 ICD-10-CM D72.829: Elevated white blood cell count

D72.829 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · HCC coding software

ICD-10-CM Code View

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Code lookupD72.829

Effective periodFY2026 Apr Update (Apr 1-Sep 30)

FY 2026 Apr update / Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) / Other disorders of blood and blood-forming organs (D70-D77)

D72.829

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Elevated white blood cell count, unspecified

An increase in the total number of white blood cells in the blood without a specified type or cause. This is a general code used when elevated white blood cells are documented but the specific type is not identified.

Overview Risk Models Code Book Documentation Audit Notes Edition comparison

CMS-HCC V28

N/A

—

Not risk-adjusted for this model/period.

Not mapped

CMS-HCC V24

Historical

Not used for standard CY2026 Medicare Advantage payment. Select a historical period to review V24.

Not used for CY2026 payment

ACA/HHS

N/A

—

Not risk-adjusted for this model/period.

Not mapped

ESRD/PACE

N/A

—

Not risk-adjusted for this model/period.

Not mapped

RXHCC

N/A

—

Not risk-adjusted for this model/period.

Not mapped

Code Book Path

Official

D72.8Other specified disorders of white blood cells D72.82Elevated white blood cell count D72.829Elevated white blood cell count, unspecified

Inclusion Terms

Official

Elevated leukocytes, unspecified
Leukocytosis, unspecified

Excludes 2

Official

autoimmune disease (systemic) NOS (M35.9)Inherited from D50-D89, D72
certain conditions originating in the perinatal period (P00-P96)Inherited from D50-D89, D72
complications of pregnancy, childbirth and the puerperium (O00-O9A)Inherited from D50-D89, D72
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Inherited from D50-D89, D72
endocrine, nutritional and metabolic diseases (E00-E88)Inherited from D50-D89, D72
human immunodeficiency virus [HIV] disease (B20)Inherited from D50-D89, D72
injury, poisoning and certain other consequences of external causes (S00-T88)Inherited from D50-D89, D72
neoplasms (C00-D49)Inherited from D50-D89, D72
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)Inherited from D50-D89, D72
neutropenia (D70)Inherited from D50-D89, D72

Related Codes

Official

D72.820Lymphocytosis (symptomatic)D72.821Monocytosis (symptomatic)D72.822Plasmacytosis D72.823Leukemoid reaction D72.824Basophilia

Includes

Official

No Includes notes are included in this display for D72.829. Check the code and parent instructions in the Code Book.

Excludes 1

Official

basophilia (D72.824)Inherited from D72, D72.8, D72.82
immunity disorders (D80-D89)Inherited from D72, D72.8, D72.82
preleukemia (syndrome) (D46.9)Inherited from D72, D72.8, D72.82
leukemia (C91-C95)Inherited from D72, D72.8, D72.82
eosinophilia (D72.1)Inherited from D72, D72.8, D72.82

Code First

Official

No Code First sequencing instructions are included in this display for D72.829. Check the code and parent instructions in the Code Book.

Use Additional

Official

No Use Additional Code instructions are included in this display for D72.829. Check the code and parent instructions in the Code Book.

Code Also

Official

No Code Also instructions are included in this display for D72.829. Check the code and parent instructions in the Code Book.

Buddy Documentation Tip

HCC Buddy guidance

This is an unspecified code; use only when the specific type of elevated WBC cannot be determined

Query the provider for more specific information about which white blood cells are elevated

Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →

Is D72.829 an HCC code?

No. D72.829 is a billable ICD-10-CM code with no mapping under the CMS-HCC V28 or V24 community payment models, and none under the ESRD, Part D RxHCC, or HHS-HCC models.

Code: D72.829
Description: Elevated white blood cell count, unspecified
HCC (V28): No CMS-HCC V28 mapping
RAF reference coefficient: —
Billable: Yes
Payment year: 2026

Coder workflow notes

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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

D72.829 is the ICD-10-CM diagnosis code for elevated white blood cell count, unspecified. An increase in the total number of white blood cells in the blood without a specified type or cause. This is a general code used when elevated white blood cells are documented but the specific type is not identified. D72.829 sits in the ICD-10-CM chapter for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (d50-d89), within the section covering other disorders of blood and blood-forming organs (d70-d77).

D72.829 is a billable ICD-10-CM code, but the current payload does not show a mapping under the CMS-HCC V28 or V24 community payment models, and none under the ESRD, Part D RxHCC, or HHS-HCC models. Do not assign risk adjustment value from this page when no source-backed mapping is shown; verify the applicable model and payment year.

This is an unspecified code; use only when the specific type of elevated WBC cannot be determined.

HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for D72.829 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

•This is an unspecified code; use only when the specific type of elevated WBC cannot be determined
•Query the provider for more specific information about which white blood cells are elevated