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ICD-10 Coding for Positive Cologuard Test(Z12.11, R19.5)

Complete ICD-10-CM coding and documentation guide for Positive Cologuard Test. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Positive Stool DNA TestPositive FIT-DNA Testcologuard screening positive

Related ICD-10 Code Ranges

Complete code families applicable to Positive Cologuard Test

Z12.11-Z12.12Primary Range

Encounter for screening for malignant neoplasm of colon

Used for colorectal cancer screening encounters, including those with positive Cologuard results.

Other fecal abnormalities

Used as a secondary code to indicate a positive Cologuard result.

Malignant neoplasms of colon, rectosigmoid junction, and rectum

Used if a malignancy is confirmed following a positive Cologuard test.

Polyp of colon

Used if polyps are found during follow-up colonoscopy.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z12.11Encounter for screening for malignant neoplasm of colonFor asymptomatic patients undergoing routine colorectal cancer screening.
  • Documented screening encounter
  • No symptoms present
R19.5Other fecal abnormalitiesAs a secondary code when a Cologuard test is positive.
  • Positive Cologuard test result

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: How do you code a positive Cologuard test?

Essential facts and insights about Positive Cologuard Test

For a positive Cologuard test, use Z12.11 for the screening encounter and R19.5 for the positive result. If follow-up finds cancer, use C18.9.

Primary ICD-10-CM Codes for positive cologuard

Encounter for screening for malignant neoplasm of colon
Billable Code

Decision Criteria

clinical Criteria

  • Patient is asymptomatic and undergoing routine screening.

Applicable To

  • Routine colorectal cancer screening

Excludes

  • Diagnostic colonoscopy (use appropriate procedure code)

Clinical Validation Requirements

  • Documented screening encounter
  • No symptoms present

Code-Specific Risks

  • Incorrectly using for symptomatic patients

Coding Notes

  • Ensure documentation specifies screening purpose.

Ancillary Codes

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

Other fecal abnormalities

R19.5
Use when Cologuard test is positive.

Differential Codes

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

Rectal bleeding

K62.5
Use if bleeding is due to hemorrhoids or other causes.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Positive Cologuard Test to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z12.11.

Impact

Clinical: May lead to inappropriate follow-up care., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation Strategy

Use templates with required fields, Educate staff on documentation standards

Impact

Reimbursement: Claims may be denied if R19.5 is used as primary., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data on screening encounters.

Mitigation Strategy

Use Z12.11 as the primary code and R19.5 as secondary.

Impact

Using R19.5 as primary instead of Z12.11.

Mitigation Strategy

Educate coders on correct sequencing rules.

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 Positive Cologuard Test, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Positive Cologuard Test

Use these documentation templates to ensure complete and accurate documentation for Positive Cologuard Test. These templates include all required elements for proper coding and billing.

Positive Cologuard Test Follow-up

Specialty: Gastroenterology

Required Elements

  • Positive Cologuard result
  • Colonoscopy recommendation
  • Screening purpose

Example Documentation

**CC:** Positive Cologuard® evaluation **HPI:** 56M, average CRC risk, completed Cologuard® 3/15/25 per USPSTF guidelines. - No hematochezia, weight loss, or bowel habit changes - sDNA positive for methylated BMP3/NDRG4, Hb 82 μg/g **Plan:** 1. Diagnostic colonoscopy scheduled 4/1/25 2. Modifier KX appended for Medicare compliance 3. If negative colonoscopy: Repeat FIT in 1 year

Examples: Poor vs. Good Documentation

Poor Documentation Example
Stool test positive
Good Documentation Example
Cologuard® multitarget stool DNA test positive (sDNA: methylated BMP3, NDRG4; Hb ≥75 μg/g)
Explanation
The good example specifies the test type and result, which is necessary for accurate coding.

Need help with ICD-10 coding for Positive Cologuard Test? Ask your questions below.

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