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ICD-10 Coding for Complete Blood Count(D64.9, Z13.0)

Complete ICD-10-CM coding and documentation guide for Complete Blood Count. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

CBCFull Blood Count

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Related ICD-10 Code Ranges

Complete code families applicable to Complete Blood Count

D50-D89Primary Range

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

This range includes codes for various blood disorders and conditions that are often identified through a CBC.

Z00-Z99

Factors influencing health status and contact with health services

Includes codes for routine health examinations and screenings, such as Z13.0 for CBC screening.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
D64.9Anemia, unspecifiedUse when anemia is diagnosed but the specific type is not determined.
  • Hemoglobin level <13.5 g/dL in males or <12 g/dL in females
Z13.0Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanismUse for preventive screenings when no symptoms are present.
  • Documentation of routine health examination without any symptoms.

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for routine CBC

Essential facts and insights about Complete Blood Count

The ICD-10 code for a routine CBC screening is Z13.0, used when no symptoms or abnormal findings are present.

Primary ICD-10-CM Codes for complete blood count

D64.9
Anemia, unspecified
Billable Code

Decision Criteria

clinical Criteria

  • Hemoglobin level below normal range with symptoms of fatigue or pallor.

Applicable To

  • Anemia NOS

Excludes

Clinical Validation Requirements

  • Hemoglobin level <13.5 g/dL in males or <12 g/dL in females

Code-Specific Risks

  • Lack of specificity may lead to denials.

Coding Notes

  • Ensure documentation includes hemoglobin levels and any related symptoms.
View Full Code Details

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Other fatigue

R53.83
Use to document symptoms associated with anemia.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Iron deficiency anemia, unspecified

D50.9
Use when iron studies confirm iron deficiency.

Elevated erythrocyte sedimentation rate

R70.0
Use when specific abnormal findings are present.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Complete Blood Count to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code D64.9.

Impact

Clinical: May affect treatment decisions., Regulatory: Non-compliance with specificity requirements., Financial: Potential for claim denials.

Mitigation Strategy

Ensure detailed documentation of lab results and symptoms.

Impact

Reimbursement: May result in claim denials., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data representation.

Mitigation Strategy

Use specific codes for any abnormal findings identified.

Impact

High risk of audit if unspecified codes are used without justification.

Mitigation Strategy

Use the most specific code available and document thoroughly.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Complete Blood Count, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Complete Blood Count

Use these documentation templates to ensure complete and accurate documentation for Complete Blood Count. These templates include all required elements for proper coding and billing.

Routine CBC Screening

Specialty: Primary Care

Required Elements

  • Patient demographics
  • Purpose of visit
  • Test ordered
  • No symptoms or findings

Example Documentation

Patient is here for a routine CBC screening as part of an annual physical. No symptoms reported.

Examples: Poor vs. Good Documentation

Poor Documentation Example
CBC ordered.
Good Documentation Example
Routine CBC screening ordered as part of annual physical. No symptoms reported.
Explanation
The good example specifies the purpose and confirms no symptoms, aligning with Z13.0 usage.

Need help with ICD-10 coding for Complete Blood Count? Ask your questions below.

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