ICD-10-CM 2027 diagnosis code
W18.31XDFall on same level due to stepping on an object, subsequent encounter
W18.31XD is a valid, billable ICD-10-CM code for fall on same level due to stepping on an object, subsequent encounter. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Fall on same level due to stepping on an object, subs encntr
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About W18.31XD
W18.31XD is the ICD-10-CM diagnosis code for fall on same level due to stepping on an object, subsequent encounter. It belongs to category W18 (other slipping, tripping and stumbling and falls), block W00-W19 (slipping, tripping, stumbling and falls) and chapter 20 (external causes of morbidity). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.
The 7th character "D" means subsequent encounter: use it for encounters after active treatment, while the patient is healing or recovering.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
It is exempt from present-on-admission (POA) reporting, so no POA indicator is required.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Before ICD-10, this condition was coded in ICD-9-CM as E888.8 (other fall).
7th character
Dsubsequent encounter
Other encounter types for W18.31:
Notes that apply from higher levels
Instructions written at a parent level also apply to W18.31XD.
› From W18.31 Fall on same level due to stepping on an object
- slipping, tripping and stumbling without fall due to stepping on animal (W18.41)
Broader instructions also apply from W00-W19 Slipping, tripping, stumbling and falls and Chapter 20: External causes of morbidity.
ICD-9-CM equivalent
Converter →- E888.8Other fallapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about W18.31XD
Is W18.31XD billable?
- Yes. W18.31XD is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
What does the "D" at the end of W18.31XD mean?
- It is the 7th character for subsequent encounter. Per the official guidelines, use it for encounters after active treatment, while the patient is healing or recovering.
Can W18.31XD be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict W18.31XD as a principal diagnosis.
Is W18.31XD a CC or MCC?
- No. W18.31XD is neither a CC nor an MCC under MS-DRG v44.0.