Non-Billable / Non-Specific Code
ICD-10-CM R43 is the diagnosis code for Disturbances of smell and taste. This code falls under the section "Symptoms and signs involving cognition, perception, emotional state and behavior" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where R43 sits in the ICD-10-CM classification helps ensure proper coding:
No, R43 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
R43 is the ICD-10-CM diagnosis code for "Disturbances of smell and taste". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
R43 is located in Section R40-R46 — "Symptoms and signs involving cognition, perception, emotional state and behavior" within Chapter 18 of the ICD-10-CM Tabular List.
R43 has 5 sub-code(s) that provide more specific detail: R43.0, R43.1, R43.2, R43.8, R43.9.
Use R43 when the patients documented diagnosis matches "Disturbances of smell and taste" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Disturbances of smell and taste is R43.
No, R43 is non-billable. Use a more specific sub-code for primary diagnosis billing.
R43 is in Chapter 18 of the ICD-10-CM Tabular List.
Yes, R43 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.