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R22.40
ICD-10-CM
Leg Swelling

Understanding leg swelling diagnosis? Find information on edema, lower extremity swelling, peripheral edema, venous insufficiency, lymphedema, cellulitis, DVT deep vein thrombosis, heart failure, kidney disease, ICD-10 codes for leg swelling (R22.2, I89.0), medical documentation tips, and clinical evaluation of leg swelling causes and treatment options. Learn about differential diagnosis and proper coding for accurate healthcare reimbursement.

Also known as

Edema of the Leg
Lower Limb Swelling
Peripheral Edema

Diagnosis Snapshot

Key Facts
  • Definition : Accumulation of fluid in leg tissues, causing noticeable enlargement.
  • Clinical Signs : Swelling, tightness, pain, redness, warmth, difficulty walking.
  • Common Settings : Deep vein thrombosis, heart failure, cellulitis, injury.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC R22.40 Coding
R60-R69

Symptoms and signs involving skin and subcutaneous tissue

Includes localized swelling, edema, and related symptoms.

I87-I89

Noninfective disorders of lymphatic vessels and lymph nodes

Covers lymphedema, a common cause of leg swelling.

I70-I79

Diseases of arteries, arterioles and capillaries

Peripheral artery disease can cause swelling in the lower extremities.

I20-I25

Ischemic heart diseases

Heart conditions can sometimes lead to leg swelling due to fluid buildup.

Code-Specific Guidance

Decision Tree for

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

Is swelling due to trauma/injury?

  • Yes

    Is there a fracture?

  • No

    Is swelling due to a cardiovascular condition?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Leg Swelling
Deep Vein Thrombosis (DVT)
Chronic Venous Insufficiency

Documentation Best Practices

Documentation Checklist
  • Leg swelling location, laterality (unilateral, bilateral)
  • Onset, duration, character of swelling (pitting, non-pitting)
  • Associated symptoms (pain, redness, warmth, shortness of breath)
  • Relevant medical history (DVT, CHF, kidney disease, trauma)
  • Physical exam findings (skin changes, tenderness, pulses)

Mitigation Tips

Best Practices
  • Document leg circumference, location, and laterality for accurate ICD-10 coding.
  • Specify edema type (e.g., pitting, non-pitting) for improved CDI and HCC coding.
  • Rule out DVT/PE via appropriate tests and document thoroughly for compliance.
  • Assess for underlying conditions (CHF, CKD) for complete diagnostic picture and risk adjustment.
  • Query physician for clarity if documentation lacks specificity for optimal reimbursement.

Clinical Decision Support

Checklist
  • Rule out DVT: Wells score documented?
  • Unilateral vs bilateral swelling noted?
  • Cardiac or renal history reviewed?
  • Medications causing edema checked?
  • Physical exam findings: location, skin changes

Reimbursement and Quality Metrics

Impact Summary
  • Leg swelling diagnosis reimbursement impacts coding for venous insufficiency, lymphedema, cellulitis, DVT, CHF impacting medical billing accuracy and hospital quality reporting.
  • Accurate leg swelling diagnosis coding (ICD-10 R60.0, R60.1, I84.1, I89.0) maximizes appropriate reimbursement and reduces claim denials.
  • Leg swelling diagnosis quality metrics track patient outcomes, treatment effectiveness, and resource utilization impacting hospital reporting and value-based care.
  • Proper leg swelling documentation supports medical necessity for diagnostic tests (ultrasound, D-dimer) and treatments improving reimbursement justification.

Streamline Your Medical Coding

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

Quick Tips

Practical Coding Tips
  • Specify laterality: right, left, bilateral
  • Document swelling location, duration, character
  • Rule out DVT, CHF, cellulitis, lymphedema
  • Consider imaging studies, e.g., ultrasound
  • Code underlying cause, not just leg swelling

Documentation Templates

Patient presents with leg swelling (edema), the primary complaint being [right/left/bilateral] lower extremity swelling. Onset of swelling was [sudden/gradual] and began [duration] ago.  Patient describes the swelling as [pitting/non-pitting] and [painful/painless]. Associated symptoms include [list symptoms, e.g., pain, redness, warmth, tenderness to palpation, shortness of breath, chest pain, skin discoloration, ulcers, varicose veins].  Patient denies [list pertinent negatives, e.g., fever, chills, trauma, recent surgery, long-distance travel, immobility].  Medical history includes [list relevant medical history, e.g., deep vein thrombosis, congestive heart failure, venous insufficiency, cellulitis, lymphedema, kidney disease, liver disease, medication use including hormonal therapy].  Physical examination reveals [describe physical findings, e.g.,  edema extending from [location] to [location], skin color [normal/red/cyanotic/pale], skin temperature [warm/cool], palpable pulses [present/absent/diminished], capillary refill [brisk/delayed], presence/absence of tenderness, presence/absence of Homan's sign (if DVT suspected), circumference measurements].  Differential diagnosis includes deep vein thrombosis, venous insufficiency, congestive heart failure, cellulitis, lymphedema, lipedema, medication side effect.  Preliminary diagnosis is [diagnosis].  Plan includes [list planned tests and treatments, e.g., venous Doppler ultrasound, D-dimer test, echocardiogram, compression therapy, elevation of extremity, medication adjustment, referral to specialist (vascular surgeon, cardiologist)].  Patient education provided regarding leg swelling causes, treatment options, and preventative measures including risk factors for venous thromboembolism.  Follow-up appointment scheduled for [date].
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