Home > 2015 ICD-9-CM Diagnosis Codes > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Diseases of pulp and periapical tissues 522-
Specific code 2015 ICD-9-CM Diagnosis Code 522.1
Necrosis of the pulp
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 522.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 522.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 522.1 converts directly to:
  • 2015/16 ICD-10-CM K04.1 Necrosis of pulp
Approximate Synonyms
  • Necrosis of pulp
Clinical Information
  • Death of pulp tissue with or without bacterial invasion. When the necrosis is due to ischemia with superimposed bacterial infection, it is referred to as pulp gangrene. When the necrosis is non-bacterial in origin, it is called pulp mummification
Applies To
  • Pulp gangrene
ICD-9-CM Volume 2 Index entries containing back-references to 522.1:
  • Gangrene, gangrenous (anemia) (artery) (cellulitis) (dermatitis) (dry) (infective) (moist) (pemphigus) (septic) (skin) (stasis) (ulcer) 785.4
    • pulp, tooth 522.1
    • tooth (pulp) 522.1
  • Necrosis, necrotic
    • pulp (dental) 522.1
  • Putrescent pulp (dental) 522.1
 522.0 ICD9Data.com 522.2 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 522.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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