K31.84 — Gastroparesis
K31.84 is a billable, specific ICD-10-CM code for gastroparesis. It is valid for submission on a claim.
Code first
The underlying condition must be sequenced before this code.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Gastroparalysis
Risk adjustment
K31.84 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
K31.84 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.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56724Billing and Coding: Wireless Gastrointestinal Motility Monitoring Systems
- A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
- A57414Billing and Coding: Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)
How K31.84 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 K31.84.
- Gastroparalysis
- Gastroparesis
- Paralysis, paralytic›stomach
Related codes at this level
Codes that share K31.8. If K31.84 is not quite right, the correct code is usually one of these.
Questions about K31.84
- Is K31.84 a billable ICD-10-CM code?
- Yes. K31.84 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does K31.84 sit in the tabular list?
- Diseases of the digestive system (K00-K95), in the block Diseases of esophagus, stomach and duodenum (K20-K31).