2024 ICD-10-CM Diagnosis Code S99.829A

Other specified injuries of unspecified foot, initial encounter

ICD-10-CM Code:
S99.829A
ICD-10 Code for:
Other specified injuries of unspecified foot, init encntr
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Not chronic
Code Navigator:

Code Classification

  • Injury, poisoning and certain other consequences of external causes
    (S00–T88)
    • Injuries to the ankle and foot
      (S90-S99)
      • Other and unspecified injuries of ankle and foot
        (S99)

S99.829A is a billable diagnosis code used to specify a medical diagnosis of other specified injuries of unspecified foot, initial encounter. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

S99.829A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like other specified injuries of unspecified foot. According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.

Unspecified diagnosis codes like S99.829A are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Degloving injury foot, dorsum
  • Degloving injury foot, plantar
  • Degloving injury heel
  • Degloving injury of foot
  • Degloving injury toe
  • Degloving injury, multiple toes
  • Foreign body in heel
  • Foreign body in heel
  • Foreign body in heel
  • Foreign body of foot
  • Glass in foot
  • Glass in great toe
  • Glass in toe
  • Metal foreign body in dorsum of foot
  • Metal foreign body in foot
  • Metal foreign body in great toe
  • Metal foreign body in heel
  • Metal foreign body in sole of foot
  • Metal foreign body in toe
  • Open wound foot, plantar
  • Wood splinter in dorsum of foot
  • Wood splinter in foot
  • Wood splinter in foot
  • Wood splinter in foot
  • Wood splinter in foot
  • Wood splinter in foot
  • Wood splinter in great toe
  • Wood splinter in heel
  • Wood splinter in sole of foot
  • Wood splinter in toe

Clinical Classification

Coding Guidelines

The appropriate 7th character is to be added to each code from block Other and unspecified injuries of ankle and foot (S99). Use the following options for the aplicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Convert S99.829A to ICD-9-CM

  • ICD-9-CM Code: 959.7 - Lower leg injury NOS
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


Foot Injuries and Disorders

Each of your feet has 26 bones, 33 joints, and more than 100 tendons, muscles, and ligaments. No wonder a lot of things can go wrong. Here are a few common problems:

  • Bunions - hard, painful bumps on the big toe joint
  • Corns and calluses - thickened skin from friction or pressure
  • Plantar warts - warts on the soles of your feet
  • Fallen arches - also called flat feet

Ill-fitting shoes often cause these problems. Aging and being overweight also increase your chances of having foot problems.


[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.