ICD-10 D21.0
Billable / SpecificBenign neoplasm of connective and other soft tissue of head, face and neck
About ICD-10-CM D21.0
ICD-10-CM code D21.0 represents Benign neoplasm of connective and other soft tissue of head, face and neck. This is a billable/specific code in the Neoplasms chapter (block D21). The 2026 edition of ICD-10-CM D21.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under D21.0. Per CMS ICD-10-CM Tabular 2026.
- Benign neoplasm of connective tissue of ear
- Benign neoplasm of connective tissue of eyelid
Type 1 Excludes
Pure excludes, these codes can never be coded together with D21.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- benign neoplasm of connective tissue of orbit (D31.6-)
Medicare LCD Coverage for D21.0
Local Coverage Determinations (LCDs) from CMS MACs that list D21.0 as a covered diagnosis.
Showing top 10 of 260 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing D21.0.
2 Aetna
1 Cigna
5 Medicare
CPT Codes Commonly Billed with D21.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 95926 CMS LCD: Billing and Coding: Somatosensory Testing CMS LCD
- 95925 CMS LCD: Billing and Coding: Somatosensory Testing CMS LCD
- 95938 CMS LCD: Billing and Coding: Somatosensory Testing CMS LCD
- 95927 CMS LCD: Billing and Coding: Somatosensory Testing CMS LCD
- 76536 CMS LCD: Billing and Coding: Ultrasound, Soft Tissues of Head and Neck CMS LCD
- 95940 CMS LCD: Billing and Coding: Intraoperative Neurophysiological Testing CMS LCD
- G0453 CMS LCD: Billing and Coding: Intraoperative Neurophysiological Testing CMS LCD
- 95941 CMS LCD: Billing and Coding: Intraoperative Neurophysiological Testing CMS LCD
Convert D21.0 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| D21.0 | 2150 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To D21.0
Other codes in section D10-D36 (Benign neoplasms, except benign neuroendocrine tumors).
ICD-10 D21.0, Billing FAQ
Is ICD-10 code D21.0 billable? +
Yes, D21.0 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to D21.0? +
ICD-10 D21.0 includes: Benign neoplasm of connective tissue of ear; Benign neoplasm of connective tissue of eyelid.
What codes are Type 1 Excludes for D21.0? +
Type 1 Excludes (never code together with D21.0): benign neoplasm of connective tissue of orbit (D31.6-)
What CPT codes are commonly billed with D21.0? +
Procedures frequently paired with D21.0 include: 95926, 95925, 95938, 95927, 76536.
What ICD-9 codes does D21.0 map to? +
Per CMS GEMs, D21.0 maps to ICD-9 codes: 2150. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 18, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team