ICD-10-CM Code J02.9 – Acute pharyngitis, unspecified

Code: J02.9 Type: ICD-10-CM (Diagnosis) Status: Active Effective: FY2016-2026

What does ICD-10-CM code J02.9 mean?

J02.9 represents Acute pharyngitis, unspecified. This respiratory condition falls under Chapter 10 (Diseases of the Respiratory System) and is frequently encountered across all healthcare settings. Coders frequently reference this code as sore throat icd 10, Streptococcal sore throat icd 10, or sore throat.

Code category and hierarchy

  • Chapter: 10 – Diseases of the Respiratory System (J00-J99)
  • Category: J02
  • Code: J02.9 – Acute pharyngitis, unspecified

Guideline notes and coding considerations

Specificity Warning

J02.9 is an unspecified code. Query the provider for greater specificity when documentation suggests a more precise code is available. Using unspecified codes when specific codes exist may trigger audits.

  • Specificity: Assign J02.9 only when documentation supports this specific diagnosis.

Learn the underlying rules in the ICD-10 Coding Guidelines, Code First Rules.

Documentation tips (what coders should confirm)

  • Verify the clinical documentation supports the use of J02.9
  • Query the provider for greater specificity if clinical details suggest a more precise code

When NOT to use J02.9

Do not assign J02.9 when the clinical scenario involves: when documentation provides enough detail for a more specific code. Review excludes notes and assign the most specific code supported by documentation.

Audit risk

J02.9 is an unspecified code. Payers and auditors may flag claims with unspecified codes when the medical record contains sufficient detail for a more precise diagnosis. Query the provider for specificity before submitting.

Validate J02.9 Against ICD 10 CM Coding Guidelines

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Related ICD-10 codes

J18.9

Pneumonia, unspecified organism

J30.9

Allergic rhinitis, unspecified

J32.9

Chronic sinusitis, unspecified

J40

Bronchitis, not specified as acute or chronic

Frequently Asked Questions

The ICD-10-CM code for sore throat is J02.9, which represents acute pharyngitis, unspecified. This code is also commonly referenced as Streptococcal sore throat icd 10, sore throat. Verify this code using the ICD Code Auditor to ensure guideline compliance.

Yes. J02.9 is an active ICD-10-CM diagnosis code used to classify acute pharyngitis, unspecified for clinical documentation, reporting, and medical billing purposes.

Use the ICD Code Auditor to check J02.9 against official ICD-10-CM coding guidelines. The tool validates by fiscal year and patient gender to identify potential conflicts.

J02.9 should be used only when clinical documentation does not provide enough detail for a more specific code. Always query the provider when documentation suggests greater specificity is available, as unspecified codes may trigger audits and impact risk adjustment.

Documentation should clearly describe the clinical condition represented by J02.9 (Acute pharyngitis, unspecified). Include relevant clinical findings, diagnostic test results, provider assessment, and the treatment plan. The diagnosis must be supported by the medical record and not based solely on lab results without clinical interpretation.

Sources

Reviewed by: Certified ICD-10 Coding & Risk Adjustment Specialist
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Validate J02.9 Against ICD 10 CM Coding Guidelines (FY2026)

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