NPI Atlas

R43.0 – Anosmia

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving cognition, perception, emotional state and behavior

Billable code

ICD-10-CM code R43.0

Code: R43.0 (claims format: R430)
Description: Anosmia
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior
Parent codes: R43

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block R40-R46

Excludes2 (not included here):

symptoms and signs constituting part of a pattern of mental disorder (F01-F99)

Index terms for R43.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in R43

R43.1 – ParosmiaBillable
R43.2 – ParageusiaBillable
R43.8 – Other disturbances of smell and tasteBillable
R43.9 – Unspecified disturbances of smell and tasteBillable

Frequently asked questions

What is ICD-10 code R43.0?

R43.0 is the ICD-10-CM code for anosmia, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).

Is R43.0 a billable code?

Yes. R43.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R43.0 belong to?

It belongs to category R43 – Disturbances of smell and taste.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.