ICD-10 Coding for History of Syphilis(A53.9, A53.9U, Z11.3U)

Learn about the ICD-10 code Z86.13 for history of syphilis, including documentation requirements and coding guidelines.

Also known as:
Past Syphilis InfectionResolved SyphilisTreated Syphilis
Related ICD-10 Code Ranges

Complete code families applicable to History of Syphilis

Key Information

Essential facts and insights aboutHistory of Syphilis

Differential Codes

Alternative codes to consider when ruling out similar conditions

Unspecified syphilisA53.9

Documentation & Coding Risks

Avoid these common issues when documenting History of Syphilis.

Documenting 'syphilis' without specifying history

Impact

Clinical: May lead to inappropriate treatment or follow-up., Regulatory: Non-compliance with ICD-10 coding guidelines., Financial: Potential for incorrect billing and reimbursement.

Mitigation

Ensure documentation specifies 'history of' when applicable, Include treatment and serologic history in the record

Using A53.9 for historical syphilis cases

Impact

Reimbursement: Incorrect coding could lead to overpayment or audit issues., Compliance: Misclassification as an active infection could result in non-compliance with coding standards., Data Quality: Inaccurate data on patient history and current health status.

Mitigation

Use Z86.13 for resolved syphilis cases with no current infection.

Misclassification of syphilis status

Impact

Coding historical syphilis as active can lead to audits.

Mitigation

Ensure documentation clearly states the syphilis is historical and resolved.

Frequently Asked Questions