W59Not billable, use a more specific code below
Contact with other nonvenomous reptiles
In Exposure to animate mechanical forces (W50-W64), chapter 20: External Causes of Morbidity
42 billable codes under W59: none are a CC or MCC; none map to an HCC.
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Instructional notes
Also applies, from Exposure to animate mechanical forces (W50-W64)
These notes sit on W50-W64 and apply to every code under it, including W59.
Excludes1: not coded here, use a different code
- Toxic effect of contact with venomous animals and plants (T63.-)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.
- General External Cause Coding Guidelines (page 88)
- Place of Occurrence Guideline (page 89)
- Activity Code (page 89)
- Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
- If the Reporting Format Limits the Number of External Cause Codes (page 90)
- Multiple External Cause Coding Guidelines (page 90)
- Child and Adult Abuse Guideline (page 90)
- Unknown or Undetermined Intent Guideline (page 91)
All codes under W59
W59 can't be used on a claim. Pick a billable code below; grey headings group them.
- W59.0Contact with nonvenomous lizards
- W59.01Bitten by nonvenomous lizards
- W59.01XABitten by nonvenomous lizards, initial encounter
- W59.01XDBitten by nonvenomous lizards, subsequent encounter
- W59.01XSBitten by nonvenomous lizards, sequela
- W59.02Struck by nonvenomous lizards
- W59.02XAStruck by nonvenomous lizards, initial encounter
- W59.02XDStruck by nonvenomous lizards, subsequent encounter
- W59.02XSStruck by nonvenomous lizards, sequela
- W59.09Other contact with nonvenomous lizards
- W59.09XAOther contact with nonvenomous lizards, initial encounter
- W59.09XDOther contact with nonvenomous lizards, subsequent encounter
- W59.09XSOther contact with nonvenomous lizards, sequela
- W59.1Contact with nonvenomous snakes
- W59.11Bitten by nonvenomous snake
- W59.11XABitten by nonvenomous snake, initial encounter
- W59.11XDBitten by nonvenomous snake, subsequent encounter
- W59.11XSBitten by nonvenomous snake, sequela
- W59.12Struck by nonvenomous snake
- W59.12XAStruck by nonvenomous snake, initial encounter
- W59.12XDStruck by nonvenomous snake, subsequent encounter
- W59.12XSStruck by nonvenomous snake, sequela
- W59.13Crushed by nonvenomous snake
- W59.13XACrushed by nonvenomous snake, initial encounter
- W59.13XDCrushed by nonvenomous snake, subsequent encounter
- W59.13XSCrushed by nonvenomous snake, sequela
- W59.19Other contact with nonvenomous snake
- W59.19XAOther contact with nonvenomous snake, initial encounter
- W59.19XDOther contact with nonvenomous snake, subsequent encounter
- W59.19XSOther contact with nonvenomous snake, sequela
- W59.2Contact with turtles
- W59.21Bitten by turtle
- W59.21XABitten by turtle, initial encounter
- W59.21XDBitten by turtle, subsequent encounter
- W59.21XSBitten by turtle, sequela
- W59.22Struck by turtle
- W59.22XAStruck by turtle, initial encounter
- W59.22XDStruck by turtle, subsequent encounter
- W59.22XSStruck by turtle, sequela
- W59.29Other contact with turtle
- W59.29XAOther contact with turtle, initial encounter
- W59.29XDOther contact with turtle, subsequent encounter
- W59.29XSOther contact with turtle, sequela
- W59.8Contact with other nonvenomous reptiles
- W59.81Bitten by other nonvenomous reptiles
- W59.81XABitten by other nonvenomous reptiles, initial encounter
- W59.81XDBitten by other nonvenomous reptiles, subsequent encounter
- W59.81XSBitten by other nonvenomous reptiles, sequela
- W59.82Struck by other nonvenomous reptiles
- W59.82XAStruck by other nonvenomous reptiles, initial encounter
- W59.82XDStruck by other nonvenomous reptiles, subsequent encounter
- W59.82XSStruck by other nonvenomous reptiles, sequela
- W59.83Crushed by other nonvenomous reptiles
- W59.83XACrushed by other nonvenomous reptiles, initial encounter
- W59.83XDCrushed by other nonvenomous reptiles, subsequent encounter
- W59.83XSCrushed by other nonvenomous reptiles, sequela
- W59.89Other contact with other nonvenomous reptiles
- W59.89XAOther contact with other nonvenomous reptiles, initial encounter
- W59.89XDOther contact with other nonvenomous reptiles, subsequent encounter
- W59.89XSOther contact with other nonvenomous reptiles, sequela
W59 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.