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D22.9
ICD-10-CM
Moles

Find comprehensive information on mole diagnosis, including clinical documentation, ICD-10 codes (D22, D48.5), SNOMED CT concepts, and healthcare terminology. Learn about atypical mole diagnosis, benign nevus diagnosis, dysplastic nevus diagnosis, melanoma diagnosis, and skin cancer screening. This resource offers guidance on proper medical coding for moles and assists healthcare professionals in accurate clinical documentation for improved patient care.

Also known as

Nevi
Melanocytic Nevi

Diagnosis Snapshot

Key Facts
  • Definition : Common skin growths formed by clusters of pigment cells (melanocytes).
  • Clinical Signs : Small, raised or flat spots, brown, black, or flesh-colored, may be rough, smooth, or hairy.
  • Common Settings : Primary care, dermatology, skin cancer screening clinics.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC D22.9 Coding
D22

Melanocytic nevi

Benign melanocytic tumors of the skin.

Q82.5

Congenital melanocytic nevus

A mole present at birth, sometimes large.

D23.9

Other benign skin neoplasm

Includes other benign skin growths when a more specific code is not available.

Code-Specific Guidance

Decision Tree for

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

Is the mole congenital?

  • Yes

    Is the mole melanocytic?

  • No

    Is the mole atypical/dysplastic?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Common mole (nevus)
Atypical mole (dysplastic nevus)
Actinic keratosis

Documentation Best Practices

Documentation Checklist
  • Mole diagnosis: Document size, shape, color
  • ICD-10 code for mole diagnosis (e.g., D22)
  • Location of mole using precise anatomical terms
  • Mole description: Elevated, flat, smooth, irregular
  • Changes in mole: New, evolving, bleeding, itching

Coding and Audit Risks

Common Risks
  • Benign vs. Malignant Coding

    Incorrectly coding benign moles (e.g., D22.x) as malignant melanoma (C43.x) or vice-versa leads to inaccurate reporting and reimbursement.

  • Site Specificity Issues

    Lack of specific site documentation for mole excisions (e.g., C44.x) impacts accurate coding and potential medical necessity reviews.

  • Dysplastic Nevus Coding

    Miscoding or missing documentation for dysplastic nevi (D22.1) can affect risk stratification and appropriate follow-up.

Mitigation Tips

Best Practices
  • Document mole size, shape, color using standardized terminology for accurate ICD-10 coding.
  • Ensure consistent CDI of atypical moles to improve HCC risk adjustment coding accuracy.
  • Photograph moles for comparison during follow-up, supporting E/M coding and compliance.
  • Detailed documentation of mole changes aids early melanoma detection and improves quality measures.
  • Follow established guidelines for biopsy decisions and documentation for compliance and risk management.

Clinical Decision Support

Checklist
  • Verify lesion size < 6mm, document in mm using ICD-10 codes (e.g., D22.X)
  • Assess ABCDEs of melanoma, document findings for patient safety
  • Rule out atypical features: asymmetry, border, color variation
  • Evaluate patient history of melanoma, family history, sun exposure
  • Consider dermoscopy if needed, document procedure and findings

Reimbursement and Quality Metrics

Impact Summary
  • Moles diagnosis coding accuracy impacts reimbursement for benign (702.1) vs. atypical (702.19) lesions.
  • Proper mole documentation and coding (ICD-10-CM 702.1x) improve hospital quality reporting metrics.
  • Accurate mole diagnosis coding ensures correct E/M level selection, maximizing justifiable reimbursement.
  • Consistent mole evaluation and coding reduce claim denials and improve healthcare revenue cycle management.

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 mole site specificity.
  • Document size, color, shape.
  • Benign nevus: D22 ICD-10
  • Atypical/dysplastic: D48.5
  • Melanoma: C43 ICD-10

Documentation Templates

Patient presents for evaluation of skin mole(s).  History includes patient concern regarding atypical mole, dysplastic nevus, or new mole growth.  Review of systems includes questions regarding itching, bleeding, pain, change in size, shape, or color of existing moles.  Family history of melanoma and personal history of sun exposure, tanning bed use, and previous mole biopsies were discussed.  Physical examination reveals (number) mole(s) located on (body location).  Mole(s) are described as (size in millimeters), (color:  e.g., brown, black, pink, tan), (shape: e.g., round, oval, irregular), (border: e.g., well-defined, irregular), (surface: e.g., smooth, rough, raised), and (texture: e.g., soft, firm).  Dermoscopic examination (if performed) revealed (dermoscopic features, e.g., homogenous pattern, atypical network, blue-white veil).  Assessment:  Benign nevus, dysplastic nevus, suspicious mole concerning for melanoma (specify clinical diagnosis).  ICD-10 code (e.g., D22, D48.5) assigned based on clinical findings.  Plan:  Patient education provided on skin self-examination and sun protection.  Photography and dermatoscopic monitoring recommended.  Biopsy for histopathological evaluation recommended for suspicious lesions.  Excisional biopsy vs. shave biopsy discussed with the patient and decision made based on clinical suspicion and lesion characteristics.  Patient agrees with the plan.  Follow-up scheduled in (timeframe) for biopsy results and further management as needed.  Differential diagnoses considered include:  melanoma, seborrheic keratosis, atypical melanocytic nevus, basal cell carcinoma, dermatofibroma.
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