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ICD-10-CM · L02.419GeneralSystemic

Abscess of Axilla

Learn about Abscess of Axilla (Armpit Abscess, Axillary Abscess) diagnosis, including clinical documentation, healthcare best practices, and medical coding information. Find resources for accurate and efficient medical coding related to Axillary Abscess and Armpit Abscess. This information supports proper medical documentation and coding for healthcare professionals dealing with Abscess of Axilla.

Also known as
Armpit AbscessAxillary Abscess
Definition

A localized collection of pus in the armpit.

Clinical signs

Painful, swollen lump in the armpit, redness, warmth, fever, limited arm movement.

Common settings

Bacterial infection, blocked sweat glands, infected hair follicles. Treated in clinics or hospitals.

Related Codes

ICD-10 Code Families

Complete code families applicable to L02.419

L02.01
Cutaneous abscess, furuncle and carbuncle of axilla
L02.9
Cutaneous abscess, furuncle and carbuncle, unspecified
I86
Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
Code Comparison

When to use each related code

DescriptionWhen to use
Collection of pus in the armpit.Localized infection with pus in the axillary region. Consider causative organisms.
Inflammation of lymph nodes in the armpit.Painful, swollen axillary lymph nodes. May be associated with infection or other causes.
Diffuse inflammation of soft tissues.Spreading infection in the skin and subcutaneous tissue. Exclude necrotizing fasciitis.
Documentation

Best-practice checklist

  • Document abscess location (axilla) and laterality.
  • Describe abscess size, appearance (e.g., fluctuance, erythema).
  • Note any associated symptoms (e.g., pain, fever, lymphadenopathy).
  • Document any performed procedures (e.g., I&D, aspiration).
  • If culture taken, document organism and sensitivities.
Coding & Audit Risks

Common pitfalls to avoid

Laterality Documentation

Missing documentation of laterality (right, left, bilateral) may lead to coding errors and claim denials. CDI should query for clarity.

Causative Organism

Unspecified causative organism can hinder accurate coding and affect reimbursement. CDI should query physician for details.

Specificity vs. Complication

Incorrect coding of an abscess as a complication rather than a primary diagnosis can impact DRG assignment and reimbursement.

Mitigation

Best-practice tips

  • 01Thorough drainage crucial for axillary abscess ICD-10 L02.01 documentation.
  • 02Culture abscess to guide antibiotic therapy, optimize CDI, ensure compliance.
  • 03Post-op wound care key; document size, depth for accurate coding (CPT 10060/10061).
  • 04Rule out hidradenitis suppurativa (L73.2), impacts treatment, coding, compliance.
  • 05Patient education on hygiene, recurrence prevention; vital for improved outcomes.
Clinical Decision Support

Step-by-step checklist

  1. 1

    Verify localized swelling, erythema, tenderness in axilla (ICD-10 L02.01)

  2. 2

    Confirm purulent drainage or fluctuance (SNOMED CT 271687001)

  3. 3

    Assess for fever, lymphadenopathy (patient safety)

  4. 4

    Rule out hidradenitis suppurativa, lymphadenitis (differential diagnosis)

  5. 5

    Document abscess size, location, associated cellulitis (clinical documentation)

Documentation Template

Ready-to-paste narrative

Patient presents with complaints consistent with an abscess of the axilla, also known as an armpit abscess or axillary abscess.  The patient reports localized pain, swelling, tenderness, and erythema in the axillary region.  On physical examination, a palpable, fluctuant mass is noted in the axilla, with possible purulent drainage or induration surrounding the affected area.  The patient may exhibit signs of systemic infection such as fever, chills, and malaise.  Differential diagnoses considered include hidradenitis suppurativa, lymphadenitis, and furuncle.  The diagnosis of axillary abscess is made based on clinical presentation and physical examination findings.  Treatment plan includes incision and drainage of the abscess, packing the wound with appropriate dressing, and prescribing antibiotics to address the infection and prevent recurrence.  Patient education provided on wound care, pain management, and follow-up appointments.  ICD-10 code L02.01 is documented for abscess of axilla.  CPT codes for incision and drainage will be determined based on the complexity of the procedure.  The patient’s condition and treatment plan will be closely monitored for response and potential complications.
FAQs

Common questions and answers

What is the optimal antibiotic treatment approach for a complicated abscess of the axilla with suspected MRSA involvement in an adult patient?+

For a complicated axillary abscess with suspected Methicillin-resistant Staphylococcus aureus (MRSA) involvement, treatment should consider both incision and drainage (I&D) and appropriate antibiotic coverage. While I&D is crucial for source control, empiric antibiotic therapy should target MRSA. Options include Vancomycin (IV), Linezolid (IV/PO), Daptomycin (IV), Ceftaroline (IV), or Doxycycline/Minocycline (PO) if local resistance patterns allow. Culture and sensitivity testing from the abscess fluid should guide antibiotic selection once available, potentially allowing de-escalation to a narrower-spectrum agent. Consider implementing a standardized protocol for managing axillary abscesses that incorporates risk factors like diabetes, immunosuppression, and cellulitis extent. Explore how antibiotic stewardship principles can be applied in these cases to optimize treatment outcomes and minimize resistance development. Learn more about current guidelines for MRSA management.

How can I differentiate between hidradenitis suppurativa and a recurrent abscess of the axilla in a clinical setting?+

Differentiating hidradenitis suppurativa (HS) from a recurrent axillary abscess can be challenging due to overlapping clinical presentations. While both involve inflammation and suppuration in the axilla, HS characteristically features recurrent, painful nodules and abscesses, often accompanied by sinus tracts and scarring. Look for double comedones, a hallmark of HS, which are typically absent in simple abscesses. Furthermore, consider the patient's history: a recurring pattern of abscesses in other apocrine gland-rich areas (e.g., groin, inframammary folds) strongly suggests HS. A detailed patient history focusing on chronicity, recurrence patterns, and associated symptoms, combined with careful physical examination, is essential. If the diagnosis remains uncertain after initial assessment, consider a biopsy for histopathological confirmation. Explore how dermoscopy can aid in the early diagnosis of HS. Learn more about the Hurley staging system for HS to guide treatment and management.

What are the recommended post-incision and drainage care instructions for an abscess of the axilla to minimize recurrence and complications?+

Following incision and drainage (I&D) of an axillary abscess, appropriate wound care is crucial to prevent recurrence and complications like secondary infection or scarring. Instructions should include regular wound dressing changes with saline or prescribed antiseptic solutions, keeping the area clean and dry, and avoiding tight clothing or restrictive movements that may irritate the wound. Patients should be educated on signs of infection (e.g., increasing pain, redness, swelling, fever) and advised to seek prompt medical attention if they occur. Consider implementing standardized post-I&D care protocols that incorporate wound packing frequency and duration based on abscess size and complexity. Explore how negative pressure wound therapy may benefit select patients. Learn more about evidence-based strategies for minimizing axillary abscess recurrence.

Clinical accuracy: This information is provided for documentation and coding guidance and should not replace professional medical judgment.

Coding standard: ICD-10-CM, current FY guidelines.