Is R43 a billable ICD-10-CM code?

No. R43 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R43 sit in the tabular list?

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46).

R43

R43 — Disturbances of smell and taste

Non-billable headerICD-10-CM

R43 is a non-billable header ICD-10-CM code for disturbances of smell and taste. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

R43 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead R43

5 child codes. Green means billable.

R43.0Anosmia
R43.1Parosmia
R43.2Parageusia
R43.8Other disturbances of smell and taste
R43.9Unspecified disturbances of smell and taste

Questions about R43

Is R43 a billable ICD-10-CM code?: No. R43 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R43 sit in the tabular list?: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46).