MCMCB Pro
W31.3XXD

W31.3XXDContact with prime movers, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

W31.3XXD is a billable, specific ICD-10-CM code for contact with prime movers, subsequent encounter. It is valid for submission on a claim.

7th character "D" — subsequent encounter

The appropriate 7th character is to be added to each code from category W31

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Contact with gas turbine
  • Contact with internal combustion engine
  • Contact with steam engine
  • Contact with water driven turbine

Risk adjustment

W31.3XXD 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.

Related codes at this level

Codes that share W31.3. If W31.3XXD is not quite right, the correct code is usually one of these.

Questions about W31.3XXD

Is W31.3XXD a billable ICD-10-CM code?
Yes. W31.3XXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W31.3XXD sit in the tabular list?
External causes of morbidity (V00-Y99), in the block Exposure to inanimate mechanical forces (W20-W49).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.