ICD-10 Diagnosis Code Z18.10

Retained metal fragments, unspecified

Diagnosis Code Z18.10

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

Valid for Submission
The code Z18.10 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)

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
  • V90.10 - Retained metal frag NOS

Present on Admission (POA)
The code Z18.10 is exempt from POA reporting.

  • Ear ring embedded in ear lobe
  • Fishing hook foreign body
  • Fishing hook in abdomen
  • Fishing hook in ankle
  • Fishing hook in anterior region of neck
  • Fishing hook in axilla
  • Fishing hook in back
  • Fishing hook in buttock
  • Fishing hook in calf
  • Fishing hook in cheek
  • Fishing hook in chest
  • Fishing hook in dorsum of foot
  • Fishing hook in dorsum of hand
  • Fishing hook in ear region
  • Fishing hook in eye region
  • Fishing hook in face
  • Fishing hook in foot
  • Fishing hook in forearm
  • Fishing hook in forehead
  • Fishing hook in genitalia
  • Fishing hook in great toe
  • Fishing hook in groin
  • Fishing hook in hand
  • Fishing hook in head
  • Fishing hook in head and neck
  • Fishing hook in heel
  • Fishing hook in hip
  • Fishing hook in knee
  • Fishing hook in lip
  • Fishing hook in lower leg
  • Fishing hook in mouth
  • Fishing hook in neck
  • Fishing hook in palm of hand
  • Fishing hook in perineum
  • Fishing hook in pharynx
  • Fishing hook in scalp
  • Fishing hook in shin
  • Fishing hook in sole of foot
  • Fishing hook in thigh
  • Fishing hook in thumb
  • Fishing hook in toe
  • Fishing hook in trunk
  • Fishing hook in trunk
  • Fishing hook in trunk
  • Fishing hook in trunk
  • Fishing hook in trunk
  • Fishing hook in upper arm
  • Fishing hook in upper limb
  • Fishing hook in wrist
  • Foreign body dermatosis
  • Foreign body in auricle
  • Foreign body in heel
  • Foreign body in heel
  • Foreign body in lip
  • Foreign body in lip
  • Foreign body in thumb
  • Foreign body in thumb
  • Foreign body of breast
  • Metal foreign body in abdomen
  • Metal foreign body in ankle
  • Metal foreign body in anterior region of neck
  • Metal foreign body in axilla
  • Metal foreign body in back
  • Metal foreign body in breast
  • Metal foreign body in buttock
  • Metal foreign body in calf
  • Metal foreign body in cheek
  • Metal foreign body in chest
  • Metal foreign body in dorsum of foot
  • Metal foreign body in dorsum of hand
  • Metal foreign body in ear region
  • Metal foreign body in elbow
  • Metal foreign body in eye region
  • Metal foreign body in foot
  • Metal foreign body in forearm
  • Metal foreign body in forehead
  • Metal foreign body in genitalia
  • Metal foreign body in great toe
  • Metal foreign body in groin
  • Metal foreign body in hand
  • Metal foreign body in head
  • Metal foreign body in head and neck
  • Metal foreign body in heel
  • Metal foreign body in hip
  • Metal foreign body in knee
  • Metal foreign body in lip
  • Metal foreign body in lower leg
  • Metal foreign body in mouth
  • Metal foreign body in neck
  • Metal foreign body in palm of hand
  • Metal foreign body in perineum
  • Metal foreign body in pharynx
  • Metal foreign body in scalp
  • Metal foreign body in shin
  • Metal foreign body in shoulder
  • Metal foreign body in sole of foot
  • Metal foreign body in thigh
  • Metal foreign body in thumb
  • Metal foreign body in toe
  • Metal foreign body in trunk
  • Metal foreign body in upper arm
  • Metal foreign body in wrist
  • Reaction to metallic ring, stud and/or infibulata in skin
  • Superficial metal foreign body
  • Zirconium granuloma of skin

Index of Diseases and Injuries
References found for the code Z18.10 in the Index of Diseases and Injuries:

  • Inclusion Terms:
    • Retained metal fragment NOS

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.

Index of Diseases and Injuries Definitions

  • And - The word "and" should be interpreted to mean either "and" or "or" when it appears in a title.
  • Code also note - A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.
  • Code first - Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.
  • Type 1 Excludes Notes - A type 1 Excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • Type 2 Excludes Notes - A type 2 Excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
  • Includes Notes - This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
  • Inclusion terms - List of terms is included under some codes. These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • NEC "Not elsewhere classifiable" - This abbreviation in the Alphabetic Index represents "other specified". When a specific code is not available for a condition, the Alphabetic Index directs the coder to the "other specified” code in the Tabular List.
  • NOS "Not otherwise specified" - This abbreviation is the equivalent of unspecified.
  • See - The "see" instruction following a main term in the Alphabetic Index indicates that another term should be referenced. It is necessary to go to the main term referenced with the "see" note to locate the correct code.
  • See Also - A "see also" instruction following a main term in the Alphabetic Index instructs that there is another main term that may also be referenced that may provide additional Alphabetic Index entries that may be useful. It is not necessary to follow the "see also" note when the original main term provides the necessary code.
  • 7th Characters - Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
  • With - The word "with" should be interpreted to mean "associated with" or "due to" when it appears in a code title, the Alphabetic Index, or an instructional note in the Tabular List. The word "with" in the Alphabetic Index is sequenced immediately following the main term, not in alphabetical order.

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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