Valid for Submission
K04.90 is a billable diagnosis code used to specify a medical diagnosis of unspecified diseases of pulp and periapical tissues. The code K04.90 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
The ICD-10-CM code K04.90 might also be used to specify conditions or terms like disorder of periapical tissues of tooth, disorder of pulp of tooth, posteruptive color change of tooth, posteruptive tooth staining due to pulpal bleeding or pulp and periapical tissue disease.
Unspecified diagnosis codes like K04.90 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.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code K04.90 are found in the index:
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Disorder of periapical tissues of tooth
- Disorder of pulp of tooth
- Posteruptive color change of tooth
- Posteruptive tooth staining due to pulpal bleeding
- Pulp and periapical tissue disease
Convert K04.90 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code K04.90 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
If you have gum disease, you're not alone. Many U.S. adults currently have some form of the disease. It ranges from simple gum inflammation, called gingivitis, to serious damage to the tissue and bone supporting the teeth. In the worst cases, you can lose teeth.
In gingivitis, the gums become red and swollen. They can bleed easily. Gingivitis is a mild form of gum disease. You can usually reverse it with daily brushing and flossing and regular cleanings by a dentist or dental hygienist. Untreated gingivitis can lead to periodontitis. If you have periodontitis, the gums pull away from the teeth and form pockets that become infected. If not treated, the bones, gums and connective tissue that support the teeth are destroyed.
NIH: National Institute of Dental and Craniofacial Research
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What are teeth?
Your teeth are made of a hard, bonelike material. There are four parts:
- Enamel, your tooth's hard surface
- Dentin, the hard yellow part under the enamel
- Cementum, the hard tissue that covers the root and keeps your teeth in place
- Pulp, the soft connective tissue in the center of your tooth. It contains nerves and blood vessels.
You need your teeth for many activities that you may take for granted. These include eating, speaking and even smiling.
What are tooth disorders?
There are many different problems that can affect your teeth, including
- Tooth decay - damage to a tooth's surface, which can lead to cavities
- Abscess - a pocket of pus, caused by a tooth infection
- Impacted tooth - a tooth did not erupt (break through the gum) when it should have. It is usually wisdom teeth that are impacted, but it can sometimes happen to other teeth.
- Misaligned teeth (malocclusion)
- Tooth injuries such as broken or chipped teeth
What causes tooth disorders?
The causes of tooth disorders varies, depending on the problem. Sometimes the cause is not taking good care of your teeth. In other cases, you may have been born with the problem or the cause is an accident.
What are the symptoms of tooth disorders?
The symptoms can vary, depending on the problem. Some of the more common symptoms include
- Abnormal color or shape of the tooth
- Tooth pain
- Worn-down teeth
How are tooth disorders diagnosed?
Your dentist will ask about your symptoms, look at your teeth, and probe them with dental instruments. In some cases, you may need dental x-rays.
What are the treatments for tooth disorders?
The treatment will depend on the problem. Some common treatments are
- Fillings for cavities
- Root canals for cavities or infections that affect the pulp (inside of the tooth)
- Extractions (pulling teeth) for teeth that are impacted and causing problems or are too damaged to be fixed. You may also have a tooth or teeth pulled because of overcrowding in your mouth.
Can tooth disorders be prevented?
The main thing that you can do to prevent tooth disorders is to take good care of your teeth:
- Brush your teeth twice a day with a fluoride toothpaste
- Clean between your teeth every day with floss or another type of between-the-teeth cleaner
- Limit sugary snacks and drinks
- Don't smoke or chew tobacco
- See your dentist or oral health professional regularly
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