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Home/Diagnosis/ICD-10 Coding for High Fever

ICD-10 Coding for High Fever

R50.9
R50.81
J10.1

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

Also Known as:
Pyrexia
Elevated Temperature
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Key Information: ICD-10 Coding for High Fever

Essential facts and insights about ICD-10 Coding for High Fever

Use ICD-10 code R50.9 for fever, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Fever, unspecified

Billable Code
R50.9
Billable

Diagnostic Criteria

clinical:
  • • Temperature ≥38°C without identified cause
documentation:
  • • Detailed notes on symptoms and negative findings for specific conditions

Applicable To

  • • Fever NOS

Important Notes

  • • Ensure documentation supports the use of an unspecified fever code.

Fever presenting with conditions classified elsewhere

Billable Code
R50.81
Billable

Diagnostic Criteria

clinical:
  • • Temperature ≥38°C with a linked condition
documentation:
  • • Documentation of the underlying condition

Applicable To

  • • Fever with underlying condition

Important Notes

  • • Ensure the primary condition is coded first.

Influenza with other respiratory manifestations

Billable Code
J10.1
Billable

Diagnostic Criteria

clinical:
  • • Positive influenza test
  • • Respiratory symptoms present

Applicable To

  • • Influenza with fever and respiratory symptoms

Important Notes

  • • Ensure influenza is confirmed via testing.
Frequently Asked Questions

What is the ICD-10 code for high fever?

The ICD-10 code for unspecified high fever is R50.9. If the fever is associated with another condition, use R50.81.

When should R50.81 be used?

R50.81 should be used when fever is present with another condition, such as a UTI, where the primary condition is coded first.

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