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ICD-10 Coding for C-reactive protein(R79.82, I25.110, M05.79)

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Learn about the ICD-10 coding for elevated C-reactive protein (CRP), including documentation requirements and clinical scenarios.

Also known as:
CRPC-reactive protein test
Related ICD-10 Code Ranges

Complete code families applicable to C-reactive protein

R00-R99Primary Range

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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Primary ICD-10-CM Codes
Elevated C-reactive protein (CRP)
R79.82Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Rheumatoid arthritis with CRP elevationM05.79

Use when CRP elevation is due to rheumatoid arthritis.

Atherosclerotic heart disease with CRP elevationI25.110

Use when CRP elevation is part of cardiovascular risk assessment.

Documentation & Coding Risks

Avoid these common issues when documenting C-reactive protein.

Not specifying the context of CRP elevation

Impact

Clinical: Misinterpretation of patient condition., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation

Always document the clinical context., Use specific codes for underlying conditions.

Using R79.82 as a primary diagnosis

Impact

Reimbursement: Claims may be denied if R79.82 is used as a primary code., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate representation of patient condition.

Mitigation

Always pair with a code for the underlying condition.

Use of R79.82 without underlying condition

Impact

High denial rate for claims using R79.82 as a primary diagnosis.

Mitigation

Always document and code the underlying condition.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with R79.82.