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R68.83
ICD-10-CM
Chills

Understanding chills (rigors, shivering) as a clinical symptom? This resource provides information on the diagnosis, documentation, and medical coding of chills (C) for healthcare professionals. Learn about associated conditions, differential diagnosis, and best practices for accurate clinical charting and coding related to chills or rigors. Explore relevant medical terminology and improve your understanding of this common symptom.

Also known as

Rigors
Shivering

Diagnosis Snapshot

Key Facts
  • Definition : A feeling of coldness with shivering, often accompanying fever.
  • Clinical Signs : Involuntary muscle contractions, shaking, teeth chattering, goosebumps, pale skin.
  • Common Settings : Infections (viral, bacterial), flu, pneumonia, malaria, exposure to cold.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC R68.83 Coding
R50-R69

General symptoms and signs

Includes chills as a general symptom.

I95-I99

Other and unspecified disorders of circulatory system

Chills may be a symptom in circulatory shock.

A00-B99

Certain infectious and parasitic diseases

Chills are a common symptom of many infections.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Are chills due to a medication or other external cause?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Feeling cold with involuntary shivering.
Elevated body temperature above normal range.
Sensation of cold without shivering.

Documentation Best Practices

Documentation Checklist
  • Document chills onset, duration, and frequency.
  • Describe chill characteristics: shaking, teeth chattering, etc.
  • Correlate chills with other symptoms: fever, sweating, pain.
  • Note patient's temperature during chill episodes.
  • Specify if chills are associated with any medications.

Coding and Audit Risks

Common Risks
  • Unspecified Chills Code

    Coding chills without underlying cause (e.g., infection) may lead to claim rejection. Specificity is crucial for accurate reimbursement. Medical coding, CDI, healthcare compliance.

  • Symptom vs. Diagnosis

    Chills are symptoms. Coding them as the primary diagnosis without a confirmed underlying condition can trigger audit scrutiny. Medical coding, CDI, healthcare compliance.

  • Missing Documentation

    Lack of clear documentation supporting the presence and severity of chills can weaken the medical necessity defense during audits. Medical coding, CDI, healthcare compliance.

Mitigation Tips

Best Practices
  • Document chill duration, onset, & associated symptoms for accurate ICD-10 coding (R68.83)
  • Distinguish chills from fever. Code fever (R50.9) separately if present. CDI query if unclear.
  • Rule out infection, medication side effects, and other causes. Document diagnosis specificity.
  • For rigors, specify intensity and frequency. Improves HCC coding accuracy and risk adjustment.
  • Consider underlying conditions like anemia or hypothyroidism. Complete documentation for compliance.

Clinical Decision Support

Checklist
  • Document chills onset, duration, and severity.
  • Assess for associated fever, sweating, or pain.
  • Consider infection, drug reaction, or endocrine causes.
  • Rule out other causes like withdrawal or anxiety.
  • Order appropriate diagnostic tests based on suspected etiology.

Reimbursement and Quality Metrics

Impact Summary
  • Chills (C) diagnosis coding impacts reimbursement through accurate ICD-10-CM code assignment (e.g., R68.83) for proper DRG assignment.
  • Chills documentation specificity affects quality metrics reporting for sepsis, infection, and hypothermia, impacting hospital performance scores.
  • Accurate Chills coding improves case mix index (CMI) reflecting patient acuity and resource utilization for fair reimbursement.
  • Rigors/Shivering documentation alongside underlying cause improves coding accuracy, minimizing claim denials and optimizing revenue cycle.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the key differential diagnoses to consider when a patient presents with chills (rigors) without fever?

A: Chills without fever can be a diagnostic challenge. While fever is a common accompaniment to chills (rigors), its absence necessitates a broader differential diagnosis. Consider diagnoses like hypothyroidism, anemia, drug withdrawal (especially opioids and benzodiazepines), hypoglycemia, sepsis (early stages), adrenal insufficiency, and certain cancers. Thorough history taking, including medication review and exposure history, is crucial. Consider implementing a stepwise approach, starting with basic laboratory investigations such as complete blood count, metabolic panel, and thyroid function tests to narrow down the potential causes. Explore how S10.AI can help streamline the diagnostic process for chills and other complex symptoms.

Q: How can I differentiate between benign chills associated with a viral infection and chills indicating a more serious condition like bacteremia or sepsis in a hospitalized patient?

A: Differentiating between benign and serious causes of chills in hospitalized patients requires careful clinical assessment. Benign chills associated with viral infections are often accompanied by other typical viral symptoms like rhinorrhea, cough, and myalgia. Chills indicating bacteremia or sepsis, however, may present with additional red flags such as hypotension, tachycardia, altered mental status, and localized signs of infection. A thorough physical exam, including assessment of vital signs, is essential. In cases of suspected sepsis or bacteremia, prompt blood cultures and initiation of appropriate antimicrobial therapy are crucial. Learn more about how S10.AI can assist in early identification of sepsis risk factors and optimize patient management.

Quick Tips

Practical Coding Tips
  • Code chills as R68.83
  • Document rigor severity
  • Query physician if cause unknown
  • Consider underlying diagnosis
  • Check for infection documentation

Documentation Templates

Patient reports experiencing chills, also described as rigors or shivering.  Onset of chills is documented as [onset timeframe - e.g., acute, gradual, intermittent].  The patient characterizes the chills as [characterization - e.g., mild, moderate, severe, shaking, whole-body, localized].  Associated symptoms include [list associated symptoms, e.g., fever, sweating, fatigue, malaise, headache, muscle aches, nausea, vomiting].  Patient denies [list pertinent negatives, e.g., chest pain, shortness of breath, abdominal pain, diarrhea].  Vital signs at time of examination: Temperature [temperature value], Heart Rate [heart rate value], Respiratory Rate [respiratory rate value], Blood Pressure [blood pressure value].  Physical examination reveals [relevant physical exam findings, e.g., diaphoresis, skin warm to the touch, no apparent source of infection].  Differential diagnosis includes infection, medication side effect, hypothyroidism, anemia, and anxiety.  Initial impression is [initial impression, e.g., chills likely secondary to viral infection].  Plan includes [plan, e.g., complete blood count (CBC), comprehensive metabolic panel (CMP), urinalysis, blood cultures if fever persists, symptomatic treatment with antipyretics such as acetaminophen or ibuprofen, further investigation if symptoms worsen or do not resolve within [timeframe]].  Patient education provided regarding symptom management, hydration, and when to seek further medical attention.  ICD-10 code R68.83 (Other chills and rigors) is considered.  Medical necessity for testing and treatment documented.