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L50.8
ICD-10-CM
Recurrent Hives

Find information on recurrent hives including clinical documentation, ICD-10-CM diagnosis codes (U31.00, U31.01), chronic urticaria diagnosis, symptoms, treatment, and management. Learn about coding guidelines for chronic spontaneous urticaria, acute urticaria, and angioedema for accurate medical billing and coding. Explore resources for healthcare professionals on proper documentation of urticaria, including physical exam findings, history, and diagnostic criteria. This resource provides valuable insights for clinicians, coders, and healthcare providers seeking information on recurrent hives.

Also known as

Chronic Urticaria
Chronic Hives

Diagnosis Snapshot

Key Facts
  • Definition : Hives lasting more than six weeks, often with unknown cause.
  • Clinical Signs : Itchy, raised welts (wheals) appearing and disappearing, varying in size and location.
  • Common Settings : Outpatient allergy clinic, primary care, or dermatologist visits for diagnosis and treatment.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC L50.8 Coding
L50-L54

Urticaria and erythema

Covers various types of hives and skin redness.

T78.4XXA

Allergy, unspecified

Used when the specific allergen causing hives is unknown.

D89.1

Quincke's edema

Describes severe hives with swelling, sometimes related to recurrence.

Code-Specific Guidance

Decision Tree for

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

Is the patient experiencing hives (urticaria)?

  • Yes

    Are the hives recurrent (lasting > 6 weeks)?

  • No

    Do not code as urticaria. Review other symptoms.

Code Comparison

Related Codes Comparison

When to use each related code

Description
Recurrent hives lasting 6+ weeks
Short-lived hives, known trigger
Hives with angioedema

Documentation Best Practices

Documentation Checklist
  • Hives duration > 6 weeks
  • Rule out inducible urticaria
  • Document hive morphology, distribution
  • Frequency and duration of hive episodes
  • Impact on patient's quality of life

Coding and Audit Risks

Common Risks
  • Unspecified Hives Code

    Using unspecified codes like D89.1 without documenting chronicity or triggers for recurrent hives leads to lower reimbursement and audit scrutiny. Optimize for D89.0 or D89.2 with specifics.

  • Lacking Trigger Documentation

    Insufficient documentation of hive triggers (e.g., food, medication, stress) impacts accurate coding, severity reflection, and potential medical necessity reviews for extended care.

  • Confusing Acute vs. Chronic

    Miscoding acute urticaria (L50) as chronic/recurrent hives (D89) due to unclear documentation of duration (>6 weeks for chronic) creates compliance and reimbursement issues.

Mitigation Tips

Best Practices
  • Document detailed hive morphology, triggers, and response to therapy for ICD-10-CM L50.9 accurate coding.
  • Rule out underlying conditions, including autoimmune diseases and infections, for improved CDI and risk adjustment.
  • Consistent use of validated symptom scales (UAS7) enhances chronic urticaria diagnosis and management.
  • Regular patient education on trigger avoidance and medication adherence improves outcomes and reduces healthcare utilization.
  • Standardized documentation of chronic urticaria severity and response to treatment supports medical necessity and compliance.

Clinical Decision Support

Checklist
  • Hives present >6 weeks? (ICD-10 L50.8, Chronic Urticaria)
  • Rule out inducible urticaria (physical exam, documentation)
  • Assess for angioedema (Hx, exam, document severity)
  • Evaluate for triggers (foods, meds, infections, document)

Reimbursement and Quality Metrics

Impact Summary
  • Recurrent Hives reimbursement hinges on accurate ICD-10-CM coding (U30.9) and supporting documentation for chronic nature.
  • Coding quality impacts CC/MCC capture, affecting DRG assignment and accurate hospital reimbursement for hives.
  • Proper coding of recurrent hives improves data integrity for quality reporting initiatives on allergic/immunologic conditions.
  • Accurate diagnosis coding facilitates appropriate utilization review, impacting hospital resource allocation for urticaria.

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
  • Code chronic urticaria, not allergy
  • Document hive duration/frequency
  • Rule out inducible urticaria
  • Consider dermographism code
  • Check 708.9 for unspecified

Documentation Templates

Patient presents with a chief complaint of recurrent hives (urticaria), characterized by pruritic, raised, erythematous wheals of varying sizes.  Onset of symptoms was [timeframe] ago.  The patient reports episodes lasting [duration] and recurring [frequency], with no clear identifiable trigger in many instances.  Symptoms include itching, burning, and occasional swelling (angioedema).  Patient denies any respiratory distress, difficulty swallowing, or other systemic symptoms.  Review of systems is otherwise negative.  Past medical history includes [relevant medical history, e.g., allergies, asthma, eczema].  Medications include [list medications].  Family history is significant for [relevant family history, e.g., allergies, atopy].  Physical examination reveals [describe skin findings: e.g., multiple well-circumscribed wheals on [location], with surrounding erythema; no evidence of angioedema].  Differential diagnosis includes chronic idiopathic urticaria, physical urticaria, and urticaria due to an underlying medical condition.  Diagnostic workup may include allergy testing, complete blood count (CBC), erythrocyte sedimentation rate (ESR), and/or thyroid function tests to rule out other causes.  Assessment: Recurrent hives, likely chronic idiopathic urticaria.  Plan: Patient education on trigger avoidance and symptom management.  Prescribed [medication, e.g., second-generation antihistamine] for daily use.  Provided information on the use of short courses of oral corticosteroids for acute exacerbations.  Patient advised to return for follow-up if symptoms worsen or do not improve with treatment.  ICD-10 code: U07.1 (Chronic urticaria).
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