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2026 ICD-10-CM Diagnosis Code R21: Rash and other nonspecific skin eruption
R21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2026 edition of ICD-10-CM R21 became effective on October 1, 2025.
2026 ICD-10-CM Codes R21*: Rash and other nonspecific skin eruption
A rash may be localized to one part of the body, or affect all the skin. Rashes may cause the skin to change color, itch, become warm, bumpy, dry, cracked or blistered, swell and may be painful.
Skin Rash - ICD-10 Documentation Guidelines | ICDcodes.ai
Explore ICD-10 coding for skin rashes, including R21 for nonspecific rashes and specific dermatitis codes. Learn about documentation requirements and coding pitfalls.
R21 ICD-10-CM 2026: Rash and other nonspecific skin eruption
R21 is a billable ICD-10-CM diagnosis code for rash and other nonspecific skin eruption. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 606 through 607.
ICD-10-CM Code for Rash and other nonspecific skin eruption
ICD-10 code R21 for Rash and other nonspecific skin eruption is a medical classification as listed by WHO under the range - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified .
Hand Eczema - ICD-10 Documentation Guidelines | ICDcodes.ai
Explore detailed ICD-10 coding and documentation guidelines for hand eczema, including primary and differential codes, documentation requirements, and common pitfalls.
ICD-10 Coding for Skin Rash (L20.89P, L30.3, L30.4E) | icd10free.com
Explore ICD-10 coding for skin rashes, including R21 for nonspecific rashes and specific dermatitis codes. Learn about documentation requirements and coding pitfalls. Complete code families applicable to Skin Rash. Compare key differences between these codes to ensure accurate selection.
R20-R23 Symptoms - ICD-10-CM Codes
The ICD-10 codes in the range R20-R23 are used to document various symptoms and signs related to the skin and subcutaneous tissue, including abnormal sensations, rashes, swellings, and other skin changes.
ICD-10 Coding for Rash (L20.9, L20.9U, L23.0) - icd10free.com
Explore detailed ICD-10 coding guidelines for rashes, including specific codes for dermatitis and eczema. Learn about documentation requirements and common pitfalls.
ICD-10 code for rash: R21 billable status and excludes | Pabau
ICD-10 code R21 is the diagnosis code for rash and other nonspecific skin eruption. It applies when a patient has a rash but the provider has not confirmed a specific cause.
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