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ICD-10 Coding for Abnormal Cytosine Monophosphate(R79.89)

Complete ICD-10-CM coding and documentation guide for Abnormal Cytosine Monophosphate. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

CMP AbnormalityCytosine Monophosphate Disorder

Related ICD-10 Code Ranges

Complete code families applicable to Abnormal Cytosine Monophosphate

R70-R79Primary Range

Abnormal findings on examination of blood, without diagnosis

This range includes codes for abnormal blood chemistry findings, including cytosine monophosphate.

Key Information: ICD-10 code for abnormal cytosine monophosphate

Essential facts and insights about Abnormal Cytosine Monophosphate

The ICD-10 code for abnormal cytosine monophosphate is R79.89, used for specified abnormal findings of blood chemistry.

Primary ICD-10-CM Code for abnormal cytosine monophosphate

Other specified abnormal findings of blood chemistry
Billable Code

Decision Criteria

clinical Criteria

  • CMP level >15 mg/dL with symptoms

documentation Criteria

  • Detailed lab results and clinical correlation

Applicable To

  • Abnormal cytosine monophosphate

Excludes

  • Unspecified abnormal blood chemistry (R79.9)

Clinical Validation Requirements

  • Quantitative serum CMP level >15 mg/dL
  • Clinical correlation with symptoms

Code-Specific Risks

  • Incorrect use without specific lab values
  • Misinterpretation of clinical significance

Coding Notes

  • Ensure documentation includes specific CMP levels and clinical impact.

Ancillary Codes

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

Adverse effect of antimetabolites

T45.1X5A
Use when CMP abnormality is due to medication.

Disorder of purine and pyrimidine metabolism, unspecified

E79.9
Use when CMP abnormality is associated with metabolic disorders.

Differential Codes

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

Unspecified abnormal finding of blood chemistry

R79.9
Use R79.9 only if CMP levels are not specified or clinically correlated.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Abnormal Cytosine Monophosphate to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R79.89.

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment, Regulatory: Non-compliance with documentation standards, Financial: Potential reimbursement issues

Mitigation Strategy

Always specify lab values, Include clinical correlation

Impact

Reimbursement: Potential underpayment due to lack of specificity, Compliance: Non-compliance with coding guidelines, Data Quality: Decreased accuracy in clinical data

Mitigation Strategy

Ensure specific CMP levels and clinical relevance are documented.

Impact

Auditors may question the use of R79.89 without specific CMP levels.

Mitigation Strategy

Ensure all documentation includes quantitative CMP levels and clinical correlation.

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 Abnormal Cytosine Monophosphate, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Abnormal Cytosine Monophosphate

Use these documentation templates to ensure complete and accurate documentation for Abnormal Cytosine Monophosphate. These templates include all required elements for proper coding and billing.

CMP abnormality in oncology patient

Specialty: Oncology

Required Elements

  • CMP level documentation
  • Clinical symptoms correlation
  • Treatment adjustments

Examples: Poor vs. Good Documentation

Poor Documentation Example
Elevated CMP noted.
Good Documentation Example
CMP 18 mg/dL (LC-MS/MS) with correlating cerebellar ataxia and nystagmus per neurology consult.
Explanation
The good example provides specific lab values and clinical correlation, enhancing documentation quality.

Need help with ICD-10 coding for Abnormal Cytosine Monophosphate? Ask your questions below.

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