R45.850 — Homicidal ideations
R45.850 is a billable, specific ICD-10-CM code for homicidal ideations. It is valid for submission on a claim.
Risk adjustment
R45.850 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.
Medicare coverage
R45.850 is named in 11 Medicare coverage policies — 11 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54799Billing and Coding: Urine Drug Testing
- A56850Billing and Coding: Psychiatric Partial Hospitalization Programs
- A56865Billing and Coding: Psychiatric Inpatient Hospitalization
- A56937Billing and Coding: Psychiatry and Psychology Services
How R45.850 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R45.850.
- Ideation›homicidal
Related codes at this level
Codes that share R45.85. If R45.850 is not quite right, the correct code is usually one of these.
Questions about R45.850
- Is R45.850 a billable ICD-10-CM code?
- Yes. R45.850 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does R45.850 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).