ICD10BillableValid for clinical use
ICD-10 Code D22.20: Melanocytic nevi of unspecified ear and external auricular canal
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).
When is it used?
- May be used when a clinician documents melanocytic nevi of unspecified ear and external auricular canal in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
2Neoplasms (C00-D49)
block
D10-D36Benign neoplasms, except benign neuroendocrine tumors
category
D22Melanocytic nevi
category
D22.2Melanocytic nevi of ear and external auricular canal
currentD22.2
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
OncologistGeneral PhysicianENT Specialist
Related codes
Sibling codes
Coverage-related procedures and services
CPT 0090Uhigh
ONCOLOGY (CUTANEOUS MELANOMA), MRNA GENE EXPRESSION PROFILING BY RT-PCR OF 23 GENES (14 CONTENT AND 9 HOUSEKEEPING), UTILIZING FORMALIN-FIXED PARAFFIN-EMBEDDED (FFPE) TISSUE, ALGORITHM REPORTED AS A CATEGORICAL RESULT (IE, BENIGN, INTERMEDIATE, MALIGNANT)
Source: CMS coverage guidance
CPT 0314Uhigh
ONCOLOGY (CUTANEOUS MELANOMA), MRNA GENE EXPRESSION PROFILING BY RT-PCR OF 35 GENES (32 CONTENT AND 3 HOUSEKEEPING), UTILIZING FORMALIN-FIXED PARAFFIN-EMBEDDED (FFPE) TISSUE, ALGORITHM REPORTED AS A CATEGORICAL RESULT (IE, BENIGN, INTERMEDIATE, MALIGNANT)
Source: CMS coverage guidance
CPT 81479high
UNLISTED MOLECULAR PATHOLOGY PROCEDURE
Source: CMS coverage guidance
CPT 64417high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; AXILLARY NERVE, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64416high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; BRACHIAL PLEXUS, CONTINUOUS INFUSION BY CATHETER (INCLUDING CATHETER PLACEMENT), INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64415high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; BRACHIAL PLEXUS, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Melanocytic nevi of unspecified ear and external auricular canalMelanocytic nevi of ear and external auricular canal
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.