ICD-10 Coding for Complete Blood Count with Differential(D64.9, D70.9, Z13.0)
Complete ICD-10-CM coding and documentation guide for Complete Blood Count with Differential. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Complete Blood Count with Differential
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 that may be identified through a CBC with differential.
Factors influencing health status and contact with health services
Includes codes for screening and routine examinations, such as Z13.0 for screening for blood disorders.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| D64.9 | Anemia, unspecified | Use when anemia is identified but not further specified. |
|
| D70.9 | Neutropenia, unspecified | Use when neutropenia is identified but not further specified. |
|
| Z13.0 | Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism | Use for preventive screenings without suspected pathology. |
|
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 CBC with differential
Essential facts and insights about Complete Blood Count with Differential
Primary ICD-10-CM Codes for complete blood count with diff
Decision Criteria
clinical Criteria
- Hemoglobin levels below 13.5 g/dL for males or 12.0 g/dL for females
Applicable To
- Anemia NOS
Excludes
- Nutritional anemia (D50-D53)
Clinical Validation Requirements
- Hemoglobin levels below normal range
Code-Specific Risks
- May require further specification for accurate diagnosis
Coding Notes
- Ensure documentation supports anemia diagnosis with lab values.
D70.9 - Neutropenia, unspecified
Use when neutropenia is identified but not further specified.
Applicable To
- Neutropenia NOS
Excludes
- Congenital neutropenia (D70.0)
Clinical Validation Requirements
- Absolute neutrophil count (ANC) below 1.5 x10³/µL
Coding Notes
Document ANC to support neutropenia diagnosis.
Z13.0 - Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Use for preventive screenings without suspected pathology.
Applicable To
- Screening for blood disorders
Excludes
- Diagnostic examination (R70-R79)
Clinical Validation Requirements
- Routine screening without clinical suspicion of disease
Coding Notes
Ensure documentation specifies screening purpose.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Complete Blood Count with Differential 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 lead to incomplete diagnostic information., Regulatory: Non-compliance with billing requirements., Financial: Potential claim denials and revenue loss.
Mitigation Strategy
Train staff on documentation requirements., Implement order entry checks.
Impact
Reimbursement: Claims may be denied, resulting in no reimbursement., Compliance: Non-compliance with payer requirements., Data Quality: Inaccurate coding data affecting patient records.
Mitigation Strategy
Ensure the order explicitly states 'with differential' to bill 85025.
Impact
Orders lacking 'with differential' may lead to audit findings.
Mitigation Strategy
Ensure all orders specify 'with differential' when appropriate.
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 Differential, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Complete Blood Count with Differential
Use these documentation templates to ensure complete and accurate documentation for Complete Blood Count with Differential. These templates include all required elements for proper coding and billing.
Evaluation of suspected infection
Specialty: Internal MedicineRequired Elements
- Reason for CBC with differential
- Specific clinical concerns
- Results interpretation
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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