Is R45 a billable ICD-10-CM code?

No. R45 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R45 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).

R45

R45 — Symptoms and signs involving emotional state

Non-billable headerICD-10-CM

R45 is a non-billable header ICD-10-CM code for symptoms and signs involving emotional state. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with R45

These codes carry an Excludes1 note pointing at R45. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading R45 alone.

R45.3Demoralization and apathy
R68.11Excessive crying of infant (baby)
F07.0Personality change due to known physiological condition

Risk adjustment

R45 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 R45

9 child codes. Green means billable.

Questions about R45

Is R45 a billable ICD-10-CM code?: No. R45 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R45 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).