ICD-10 Coding for Cytosine Monophosphate Screening(Z13.29, E79.8, D81.3)
Complete ICD-10-CM coding and documentation guide for Cytosine Monophosphate Screening. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Cytosine Monophosphate Screening
Z13-Z13.9Primary Range
Encounter for screening for other metabolic disorders
Used for routine newborn screening panels including tests for nucleotide metabolism.
Disorders of purine and pyrimidine metabolism
Relevant for confirmed diagnoses related to nucleotide metabolism disorders.
Immunodeficiency with predominantly antibody defects
Used when screening identifies adenosine deaminase deficiency.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| Z13.29 | Encounter for screening for other metabolic disorders | Use for encounters where screening is performed without a confirmed diagnosis. |
|
| E79.8 | Other disorders of purine and pyrimidine metabolism | Use when specific nucleotide metabolism disorders are confirmed. |
|
| D81.3 | Adenosine deaminase deficiency | Use when adenosine deaminase deficiency is confirmed. |
|
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 cytosine monophosphate screening
Essential facts and insights about Cytosine Monophosphate Screening
Primary ICD-10-CM Codes for cytosine monophosphate screening
Decision Criteria
clinical Criteria
- Screening without confirmed diagnosis
Applicable To
- Routine newborn screening
Excludes
- Confirmed metabolic disorders (E88.9)
Clinical Validation Requirements
- Routine newborn screening panel including tandem mass spectrometry
Code-Specific Risks
- Incorrectly using this code for confirmed metabolic disorders.
Coding Notes
- Always pair with specific findings if abnormalities are confirmed.
E79.8 - Other disorders of purine and pyrimidine metabolism
Use when specific nucleotide metabolism disorders are confirmed.
Applicable To
- CMP-β-D-Neu5Ac elevation
Clinical Validation Requirements
- CMP-β-D-Neu5Ac elevation > 2 SD above age-adjusted reference range
Coding Notes
Ensure clinical correlation with laboratory findings.
D81.3 - Adenosine deaminase deficiency
Use when adenosine deaminase deficiency is confirmed.
Applicable To
- Elevated adenosine/2'-deoxyadenosine ratio
Clinical Validation Requirements
- MS/MS showed elevated adenosine/2'-deoxyadenosine ratio ≥ 3.2:1
Coding Notes
Document enzyme activity levels to support coding.
Differential Codes
Alternative codes to consider when ruling out similar conditions to the primary diagnosis.
Metabolic disorder, unspecified
E88.9Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Cytosine Monophosphate Screening to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z13.29.
Impact
Clinical: Inadequate information for clinical decision-making., Regulatory: Non-compliance with documentation standards., Financial: Potential denial of claims due to insufficient documentation.
Mitigation Strategy
Use specific quantitative results in documentation.
Impact
Reimbursement: Incorrect reimbursement due to misclassification., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data on metabolic disorder prevalence.
Mitigation Strategy
Use specific codes like E79.8 or D81.3 for confirmed cases.
Impact
Lack of detailed test results in screening documentation.
Mitigation Strategy
Implement EHR alerts requiring numeric results for all metabolic screens.
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 Cytosine Monophosphate Screening, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Cytosine Monophosphate Screening
Use these documentation templates to ensure complete and accurate documentation for Cytosine Monophosphate Screening. These templates include all required elements for proper coding and billing.
Newborn Screening Report
Specialty: PediatricsRequired Elements
- Test Methodology
- Quantitative Results
- Clinical Correlation
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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