Z48.811 — Encounter for surgical aftercare following surgery on the nervous system
Z48.811 is a billable, specific ICD-10-CM code for encounter for surgical aftercare following surgery on the nervous system. It is valid for submission on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- encounter for surgical aftercare following surgery on the sense organs (Z48.810)
Risk adjustment
Z48.811 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
Z48.811 is named in 7 Medicare coverage policies — 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A58801Billing and Coding: Pharmacogenomics Testing
- A58801Billing and Coding: Pharmacogenomics Testing
- A58812Billing and Coding: Pharmacogenomics Testing
How Z48.811 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 Z48.811.
- Aftercare›following surgery›nervous system
- Aftercare›following surgery›specified body system›nervous
Related codes at this level
Codes that share Z48.81. If Z48.811 is not quite right, the correct code is usually one of these.
- Z48.810Encounter for surgical aftercare following surgery on the sense organs
- Z48.812Encounter for surgical aftercare following surgery on the circulatory system
- Z48.813Encounter for surgical aftercare following surgery on the respiratory system
- Z48.814Encounter for surgical aftercare following surgery on the teeth or oral cavity
- Z48.815Encounter for surgical aftercare following surgery on the digestive system
- Z48.816Encounter for surgical aftercare following surgery on the genitourinary system
- Z48.817Encounter for surgical aftercare following surgery on the skin and subcutaneous tissue
Questions about Z48.811
- Is Z48.811 a billable ICD-10-CM code?
- Yes. Z48.811 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z48.811 sit in the tabular list?
- Factors influencing health status and contact with health services (Z00-Z99), in the block Encounters for other specific health care (Z40-Z53).