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Home/Diagnosis/ICD-10 Coding for Prolonged QTc

ICD-10 Coding for Prolonged QTc

I45.81
Q87.89
R94.3

Complete ICD-10-CM coding and documentation guide for icd-10 coding for prolonged qtc includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Long QT Syndrome
QT Interval Prolongation
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Key Information: ICD-10 Coding for Prolonged QTc

Essential facts and insights about ICD-10 Coding for Prolonged QTc

Use ICD-10 code I45.81 for long qt syndrome, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Long QT syndrome

Billable Code
I45.81
Billable

Diagnostic Criteria

  • • Documented Long QT syndrome

Applicable To

  • • Acquired Long QT syndrome

Important Notes

  • • Ensure documentation specifies 'syndrome' for accurate coding.

Other specified congenital malformation syndromes

Billable Code
Q87.89
Billable

Diagnostic Criteria

    Applicable To

    • • Romano-Ward syndrome

    Important Notes

    • • Ensure genetic or family history documentation is present.

    Abnormal cardiovascular function study

    Non-Billable
    R94.3
    Non-Billable

    Diagnostic Criteria

      Applicable To

      • • Prolonged QTc on ECG without syndrome

      Important Notes

      • • Ensure no syndrome is documented before using.
      Ancillary Codes

      Additional codes that may be used with this diagnosis

      R94.3

      Abnormal cardiovascular function study

      Use for ECG findings without a diagnosed syndrome.

      R55

      Syncope

      Use for syncope related to congenital syndrome.

      Frequently Asked Questions

      What is the ICD-10 code for Long QT syndrome?

      The ICD-10 code for Long QT syndrome is I45.81, used when the syndrome is documented without congenital specification.

      How do you code congenital Long QT syndrome?

      Congenital Long QT syndrome, such as Romano-Ward, is coded as Q87.89, requiring genetic confirmation.

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