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Home/Diagnosis/ICD-10 Coding for Fever with Chills

ICD-10 Coding for Fever with Chills

R50.0
A41.9

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

Also Known as:
Febrile Rigors
Fever and Shivering
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Key Information: ICD-10 Coding for Fever with Chills

Essential facts and insights about ICD-10 Coding for Fever with Chills

Use ICD-10 code R50.0 for fever with chills (rigors), ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Fever with chills (rigors)

Non-Billable
R50.0
Non-Billable

Diagnostic Criteria

clinical:
  • • Presence of fever ≥100.4°F and documented rigors
documentation:
  • • Explicit mention of 'chills' or 'rigors' in clinical notes

Applicable To

  • • Fever with rigors

Important Notes

  • • Ensure documentation specifies 'rigors' to differentiate from subjective chills.

Sepsis, unspecified organism

Billable Code
A41.9
Billable

Diagnostic Criteria

clinical:
  • • SOFA score ≥2
  • • SIRS criteria met

Applicable To

  • • Septicemia NOS

Important Notes

  • • Ensure sepsis is documented as the primary condition.
Ancillary Codes

Additional codes that may be used with this diagnosis

A41.9

Sepsis, unspecified organism

Use when sepsis is confirmed as the cause of fever with chills.

R50.0

Fever with chills

Use as secondary when sepsis is primary.

Frequently Asked Questions

What is the ICD-10 code for fever with chills?

The ICD-10 code for fever with chills is R50.0, used when both fever and rigors are documented.

When should R50.0 be used?

Use R50.0 when a patient has a documented fever of ≥100.4°F with rigors, and no confirmed causative diagnosis.

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