Codes / ICD10CM / K05.312

K05.312 Chronic periodontitis, localized, moderate

ICD10CM code

ICD10CM

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Name of the Condition

  • Chronic Periodontitis, Localized, Moderate

Summary

Chronic periodontitis, localized, moderate is a progressive inflammatory condition affecting the tissues supporting the teeth. In its localized form, it involves gum inflammation and damage in specific areas of the mouth, with moderate severity characterized by measurable bone loss and pocket formation. If untreated, it can lead to tooth loss.

Causes

Chronic periodontitis is primarily caused by the accumulation of plaque—a sticky, bacteria-laden film that forms on teeth. Poor oral hygiene practices facilitate excessive plaque buildup, which can progress into periodontitis. The bacteria in plaque trigger an immune response, leading to inflammation and destruction of the gums and underlying bone.

Risk Factors

  • Poor oral hygiene
  • Smoking or tobacco use
  • Genetic predisposition
  • Diabetes and other systemic health conditions
  • Certain medications that reduce saliva flow
  • Stress and hormonal changes
  • Age, particularly in older adults

Symptoms

  • Red, swollen, or tender gums
  • Bleeding during brushing or flossing
  • Gum recession, resulting in longer-looking teeth
  • Persistent bad breath or a bad taste in the mouth
  • Loose or shifting teeth
  • Formation of deep pockets between the teeth and gums

Diagnosis

Diagnosis involves a clinical examination of the gums, measuring the depth of periodontal pockets with a probe, and dental X-rays to assess bone loss. A review of medical history may also be conducted to identify contributing factors. Moderate severity is typically indicated by pocket depths of 4–6 mm and observable bone loss.

Treatment Options

  • Professional dental cleaning to remove plaque and tartar
  • Scaling and root planing to clean below the gumline
  • Antibiotics or antimicrobial mouth rinses to reduce bacterial infection
  • Surgical interventions, such as flap surgery or bone grafting, in severe cases
  • Improved oral hygiene practices, including regular brushing and flossing

Prognosis and Follow-Up

With proper treatment and consistent oral hygiene, the progression of chronic periodontitis can be slowed or halted. Regular dental check-ups and professional cleanings are essential to monitor the condition and prevent recurrence. Untreated moderate periodontitis may progress to severe disease, increasing the risk of tooth loss.

Complications

  • Tooth loss due to bone and tissue destruction
  • Recurrent gum infections
  • Spread of inflammation to other areas of the mouth
  • Increased risk of systemic health issues, such as cardiovascular disease, in some cases

Lifestyle & Prevention

  • Maintain good oral hygiene, including brushing twice daily and flossing regularly
  • Quit smoking or using tobacco products
  • Manage systemic conditions like diabetes through proper medical care
  • Eat a balanced diet rich in vitamins and minerals to support gum health
  • Avoid excessive alcohol consumption, which can worsen gum disease

When to Seek Professional Help

Seek dental care if you experience persistent gum bleeding, swelling, or pain, or if you notice loose teeth or changes in your bite. Early intervention can prevent the condition from worsening.

Tips for Medical Coders

When coding for chronic periodontitis, localized, moderate (K05.312), ensure documentation supports the localized nature of the condition and moderate severity. Document the specific areas affected, pocket depth measurements, and any bone loss observed. Verify that the diagnosis aligns with clinical findings to support accurate coding.

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