Specific code 2011 ICD-9-CM Diagnosis Code 099.51
Other venereal diseases due to chlamydia trachomatis pharynx
  • Short description: Oth VD chlm trch pharynx.
  • ICD-9-CM 099.51 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 099.51 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).
  • You are viewing the 2011 version of ICD-9-CM 099.51.
  • More recent version(s) of ICD-9-CM 099.51: 2012 2013 2014 2015.
Convert to ICD-10-CM: 099.51 converts directly to:
  • 2015/16 ICD-10-CM A56.4 Chlamydial infection of pharynx
Approximate Synonyms
  • Chlamydia pharyngitis
  • Chlamydial pharyngitis
ICD-9-CM Volume 2 Index entries containing back-references to 099.51:
  • Disease, diseased - see also Syndrome
  • Pharyngitis (acute) (catarrhal) (gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (simple) (staphylococcal) (subacute) (suppurative) (ulcerative) (viral) 462
    • chlamydial 099.51
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 099.51 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.