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ICD-10-CM 2027 diagnosis code

W59.22XSStruck by turtle, sequela

✓ Billable / specificPOA exemptRequires 7th character

W59.22XS is a valid, billable ICD-10-CM code for struck by turtle, sequela. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.

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 W59.22XS

W59.22XS is the ICD-10-CM diagnosis code for struck by turtle, sequela. It belongs to category W59 (contact with other nonvenomous reptiles), block W50-W64 (exposure to animate mechanical forces) 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 "S" means sequela: use it for complications or conditions that arise as a direct result of the original condition.

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 E929.5 (late effects of accident due to natural and environmental factors).

7th character

Ssequela

Other encounter types for W59.22:

Notes that apply from higher levels

Instructions written at a parent level also apply to W59.22XS.

› From W59.2 Contact with turtles
Excludes1
  • contact with tortoises (W59.8-)
› From W59 Contact with other nonvenomous reptiles
Excludes1

Broader instructions also apply from W50-W64 Exposure to animate mechanical forces and Chapter 20: External causes of morbidity.

ICD-9-CM equivalent

Converter →
  • E929.5Late effects of accident due to natural and environmental factorsapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about W59.22XS

Is W59.22XS billable?

Yes. W59.22XS is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

What does the "S" at the end of W59.22XS mean?

It is the 7th character for sequela. Per the official guidelines, use it for complications or conditions that arise as a direct result of the original condition.

Can W59.22XS be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict W59.22XS as a principal diagnosis.

Is W59.22XS a CC or MCC?

No. W59.22XS is neither a CC nor an MCC under MS-DRG v44.0.

What is the ICD-9 code for W59.22XS?

The CMS General Equivalence Mappings map W59.22XS to ICD-9-CM E929.5.