2021 ICD-10-CM Code S00.501A

Unspecified superficial injury of lip, initial encounter

  1. ICD-10-CM Index
  2. Chapter: S00–T98
  3. Section: S00-S09
  4. Block: S00
  5. S00.501A - Unspecified superficial injury of lip, initial encounter
Version 2021
Billable Code
7th Character Code
Unspecified Code
Initial Code
MS-DRG Mapping

Valid for Submission

S00.501A is a billable diagnosis code used to specify a medical diagnosis of unspecified superficial injury of lip, initial encounter. The code S00.501A is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The ICD-10-CM code S00.501A might also be used to specify conditions or terms like superficial injury of lip, superficial injury of lip with infection or superficial injury of lip without infection.

S00.501A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like unspecified superficial injury of lip. 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 S00.501A 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.

ICD-10:S00.501A
Short Description:Unspecified superficial injury of lip, initial encounter
Long Description:Unspecified superficial injury of lip, initial encounter

Code Classification

Coding Guidelines

The appropriate 7th character is to be added to each code from block Superficial injury of head (S00). Use the following options for the aplicable episode of care:

Approximate Synonyms

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

Convert S00.501A to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code S00.501A its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

Information for Patients


Mouth Disorders

Your mouth is one of the most important parts of your body. It has many different functions. It allows you to

Any problem that affects your mouth can make it hard to eat, drink, or even smile. Some common mouth problems include

Treatment for mouth disorders varies, depending on the problem. If a mouth problem is caused by some other disease, treating that disease can help. It is also important to keep your mouth clean and healthy by brushing, flossing, and not using tobacco.


[Learn More in MedlinePlus]

Wounds and Injuries

Also called: Traumatic injuries

An injury is damage to your body. It is a general term that refers to harm caused by accidents, falls, hits, weapons, and more. In the U.S., millions of people injure themselves every year. These injuries range from minor to life-threatening. Injuries can happen at work or play, indoors or outdoors, driving a car, or walking across the street.

Wounds are injuries that break the skin or other body tissues. They include cuts, scrapes, scratches, and punctured skin. They often happen because of an accident, but surgery, sutures, and stitches also cause wounds. Minor wounds usually aren't serious, but it is important to clean them. Serious and infected wounds may require first aid followed by a visit to your doctor. You should also seek attention if the wound is deep, you cannot close it yourself, you cannot stop the bleeding or get the dirt out, or it does not heal.

Other common types of injuries include


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Code History

  • 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 (First year ICD-10-CM implemented into the HIPAA code set)

Previous Code: S00.501

Related Codes

Next Code: S00.501D