ICD-10 Diagnosis Code Z18.33

Retained wood fragments

Diagnosis Code Z18.33

ICD-10: Z18.33
Short Description: Retained wood fragments
Long Description: Retained wood fragments
This is the 2019 version of the ICD-10-CM diagnosis code Z18.33

Valid for Submission
The code Z18.33 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Factors influencing health status and contact with health services (Z00–Z99)
    • Retained foreign body fragments (Z18)
      • Retained foreign body fragments (Z18)

Version 2019 Billable Code Unacceptable Principal Diagnosis POA Exempt

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Unacceptable principal diagnosis - There are selected codes that describe a circumstance which influences an individual’s health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Convert to ICD-9
  • V90.33 - Retained wood fragments

Present on Admission (POA)
The code Z18.33 is exempt from POA reporting.

  • Foreign body in heel
  • Foreign body in lip
  • Foreign body of breast
  • Foreign body of eyelid and/or periocular area
  • O/E - foreign body in skin
  • O/E - splinter in skin
  • Retained foreign body of eyelid
  • Splinter in face
  • Splinter in face
  • Splinter in neck
  • Splinter in skin
  • Splinter: eyelids
  • Wood splinter in abdomen
  • Wood splinter in ankle
  • Wood splinter in anterior region of neck
  • Wood splinter in axilla
  • Wood splinter in back
  • Wood splinter in breast
  • Wood splinter in buttock
  • Wood splinter in calf
  • Wood splinter in cheek
  • Wood splinter in chest
  • Wood splinter in dorsum of foot
  • Wood splinter in ear region
  • Wood splinter in elbow
  • Wood splinter in eye region
  • Wood splinter in face
  • Wood splinter in foot
  • Wood splinter in forearm
  • Wood splinter in forehead
  • Wood splinter in genitalia
  • Wood splinter in great toe
  • Wood splinter in groin
  • Wood splinter in head
  • Wood splinter in head and neck
  • Wood splinter in heel
  • Wood splinter in hip
  • Wood splinter in knee
  • Wood splinter in lip
  • Wood splinter in lower leg
  • Wood splinter in mouth
  • Wood splinter in neck
  • Wood splinter in perineum
  • Wood splinter in pharynx
  • Wood splinter in shin
  • Wood splinter in shoulder
  • Wood splinter in sole of foot
  • Wood splinter in thigh
  • Wood splinter in toe
  • Wood splinter in trunk
  • Wood splinter in upper arm
  • Wood splinter in wrist

Index to Diseases and Injuries
References found for the code Z18.33 in the Index to Diseases and Injuries:

Information for Patients

Foreign Bodies

If you've ever gotten a splinter or had sand in your eye, you've had experience with a foreign body. A foreign body is something that is stuck inside you but isn't supposed to be there. You may inhale or swallow a foreign body, or you may get one from an injury to almost any part of your body. Foreign bodies are more common in small children, who sometimes stick things in their mouths, ears, and noses.

Some foreign bodies, like a small splinter, do not cause serious harm. Inhaled or swallowed foreign bodies may cause choking or bowel obstruction and may require medical care.

  • Bezoar (Medical Encyclopedia)
  • Eye - foreign object in (Medical Encyclopedia)
  • Foreign body in the nose (Medical Encyclopedia)
  • Foreign object - inhaled or swallowed (Medical Encyclopedia)
  • Splinter removal (Medical Encyclopedia)

[Read More]

ICD-10 Footnotes

General Equivalence Map Definitions
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
  • No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
  • Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.

Present on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

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