Specific code 2015 ICD-9-CM Diagnosis Code 383.00
Acute mastoiditis without complications
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 383.00 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 383.00 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: 383.00 converts approximately to:
  • 2015/16 ICD-10-CM H70.009 Acute mastoiditis without complications, unspecified ear
Approximate Synonyms
  • Abscess of mastoid
  • Acute mastoiditis
  • Bilat acute mastoiditis
  • Bilat mastoid abscess
  • Bilateral abscess of mastoids
  • Bilateral acute mastoiditis
  • Both sides acute mastoiditis
  • Both sides mastoid abscess
  • Left acute mastoiditis
  • Left mastoid abscess
  • Mastoid abscess
  • Right acute mastoiditis
  • Right mastoid abcess
  • Right mastoid abscess
ICD-9-CM Volume 2 Index entries containing back-references to 383.00:
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • intramastoid (see also Mastoiditis, acute) 383.00
    • mastoid (process) (see also Mastoiditis, acute) 383.00
  • Empyema (chest) (diaphragmatic) (double) (encapsulated) (general) (interlobar) (lung) (medial) (necessitatis) (perforating chest wall) (pleura) (pneumococcal) (residual) (sacculated) (streptococcal) (supradiaphragmatic) 510.9
    • mastoid (process) (acute) (see also Mastoiditis, acute) 383.00
  • Mastoiditis (coalescent) (hemorrhagic) (pneumococcal) (streptococcal) (suppurative) 383.9
    • acute or subacute 383.00
  • Pyocele
    • mastoid 383.00
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 383.00 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.