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ICD-10-CM Code K04.6
Periapical abscess with sinus

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

K04.6 is a billable ICD code used to specify a diagnosis of periapical abscess with sinus. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code K046 is used to code Tricho-Dento-Osseous Syndrome

tricho-dento-osseous syndrome (tdo) meaning hair, teeth, and bones respectively, is a rare, systemic, genetic disorder that causes defects in these structures. this disease is present at birth. tdo has been shown to occur in areas of close geographic proximity and within families; most recent documented cases are virginia, tennessee, and north carolina. the cause of this disease is a mutation in the dlx3 (distal-less 3) gene, which controls hair follicle differentiation and induction of bone formation. one-hundred percent of patients with tdo suffer from two co-existing conditions called enamel hypoplasia and taurodontism in which the abnormal growth patterns of the teeth result in severe external and internal defects.[3 1] the hair defects are characterized as being rough, course, with profuse shedding. dental defects are characterized by dark-yellow/brownish colored teeth, thin and/or possibly pitted enamel, that is malformed. the teeth can also look normal in color, but also have a physical impression of extreme fragility and thinness in appearance. additionally, severe underbites where the top and bottom teeth fail to correctly align may be present; it is common for the affected individual to have a larger, more pronounced lower jaw and longer bones. the physical deformities that tdo causes become more noticeable with age, and emotional support for the family as well as the affected individual is frequently recommended. adequate treatment for tdo is a team based approach, mostly involving physical therapists, dentists, and oromaxillofacial surgeons. genetic counseling is also recommended.

Specialty: Gastroenterology, Gastroenterology
MeSH Codes: D010482, D005491, D010482, D010482, D005491, D010482
ICD 9 Codes: 522.5, 522.5, 522.5, 522.7, 522.7, 522.7

Shows the severe underbite pattern that is a common development pattern in individuals with Tricho Dento Osseous SyndromeDental abscess commonly seen in people with underdeveloped tooth enamel caused by TDO.

Source: Wikipedia

Coding Notes for K04.6 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Dental abscess with sinus
Dentoalveolar abscess with sinus

MS-DRG Mapping

  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses with MCC.
  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses with CC.
  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses without CC or MCC.
  • DRG Group #157-159 - Dental and oral diseases with MCC.
  • DRG Group #157-159 - Dental and oral diseases with CC.
  • DRG Group #157-159 - Dental and oral diseases without CC or MCC.

Related Concepts SNOMET-CT

  • Periapical abscess with sinus tract (disorder)
  • Periapical abscess with facial involvement (disorder)


Periapical abscess with sinus (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 522.7 was previously used, K04.6 is the appropriate modern ICD10 code.

Parent Code: K04 - Diseases of pulp and periapical tissues

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/K046