720.0 ANKYLOSING SPONDYLITIS


Code Information

Diagnosis Code: 720.0

Short Description: Ankylosing spondylitis

Long Description: Ankylosing spondylitis

Code Classification:

  • Diseases of the musculoskeletal system and connective tissue (710–739)
    • Dorsopathies (720-724)
      • 720 Ankylosing spondylitis and other inflammatory spondylopathies
        • 720.0 Ankylosing spondylitis

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 720.0 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Arthritis, arthritic (acute) (chronic) (subacute) 716.9
    • ankylosing (crippling) (spine) 720.0 [713.2]
      • sites other than spine 716.9
    • Bechterew's (ankylosing spondylitis) 720.0
    • proliferative 714.0
      • spine 720.0
    • rheumatoid (nodular) 714.0
      • spine 720.0
    • spine 721.90
      • Marie-Str�mpell 720.0
      • rheumatoid 720.0
    • von Bechterew's 720.0
  • Bamboo spine 720.0
  • Bechterew's disease (ankylosing spondylitis) 720.0
  • Bechterew-Str�mpell-Marie syndrome (ankylosing spondylitis) 720.0
  • Bekhterev's disease (ankylosing spondylitis) 720.0
  • Bekhterev-Str�mpell-Marie syndrome (ankylosing spondylitis) 720.0
  • Disease, diseased - see also Syndrome
    • Bechterew's (ankylosing spondylitis) 720.0
    • Bekhterev's (ankylosing spondylitis) 720.0
    • Marie-Str�mpell (ankylosing spondylitis) 720.0
    • Str�mpell-Marie (ankylosing spondylitis) 720.0
    • von Bechterew's (ankylosing spondylitis) 720.0
  • Marie-Str�mpell arthritis or disease (ankylosing spondylitis) 720.0
  • Poker spine 720.0
  • Rheumatism, rheumatic (acute NEC) 729.0
    • arthritis
      • chronic 714.0
        • spine 720.0
  • Spondylitis 720.9
    • ankylopoietica 720.0
    • ankylosing (chronic) 720.0
    • juvenile (adolescent) 720.0
    • Marie-Str�mpell (ankylosing) 720.0
    • proliferative 720.0
    • rheumatoid 720.0
    • rhizomelica 720.0
  • Spondylose rhizomelique 720.0
  • Str�mpell-Marie disease or spine (ankylosing spondylitis) 720.0
  • Syndrome - see also Disease
    • Bechterew-Str�mpell-Marie (ankylosing spondylitis) 720.0
    • Bekhterev-Str�mpell-Marie (ankylosing spondylitis) 720.0
    • von Bechterew-Stumpell (ankylosing spondylitis) 720.0
  • von Bechterew (-Str�mpell) disease or syndrome (ankylosing spondylitis) 720.0

Crosswalk Information

The code 720.0 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
720.0 Right Arrow M45.9 Ankylosing spondylitis of unspecified sites in spine
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
720.1 Spinal enthesopathy
720.2 Sacroiliitis, not elsewhere classified
720.81 Inflammatory spondylopathies in diseases classified elsewhere
720.89 Other inflammatory spondylopathies
720.9 Unspecified inflammatory spondylopathy


This page was last updated on: 10/1/2014