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ICD-10 Coding for Close Contact with Quantiferon Positive(Z20.1, A15.9, R76.11)

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Learn about ICD-10 coding for close contact with a Quantiferon positive result, including documentation requirements and coding pitfalls.

Also known as:
TB Exposure with Positive IGRALatent TB Infection Contact
Related ICD-10 Code Ranges

Complete code families applicable to Close Contact with Quantiferon Positive

Z00-Z99Primary Range

Factors influencing health status and contact with health services

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
Z20.1Contact with and (suspected) exposure to tuberculosis
R76.12Nonspecific reaction to cell-mediated immunity measurement of gamma interferon antigen response without active tuberculosis
Primary ICD-10-CM Codes
Contact with and (suspected) exposure to tuberculosis
Z20.1Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Respiratory tuberculosis, unspecifiedA15.9
Nonspecific reaction to tuberculin skin test without active tuberculosisR76.11

Documentation & Coding Risks

Avoid these common issues when documenting Close Contact with Quantiferon Positive.

Failing to document the absence of active TB symptoms.

Impact

Clinical: May lead to unnecessary treatment or follow-up., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation

Ensure thorough documentation of symptom assessment.

Using R76.12 as the primary code for an encounter focused on exposure.

Impact

Reimbursement: Incorrect sequencing can lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data on TB exposure and testing.

Mitigation

Sequence Z20.1 as the primary code when the encounter is due to exposure.

Incorrect Code Sequencing

Impact

Using R76.12 as primary when Z20.1 should be primary.

Mitigation

Review coding guidelines for proper sequencing.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with Z20.1.