ICD-10 Diagnosis Code M00.9

Pyogenic arthritis, unspecified

Diagnosis Code M00.9

ICD-10: M00.9
Short Description: Pyogenic arthritis, unspecified
Long Description: Pyogenic arthritis, unspecified
This is the 2017 version of the ICD-10-CM diagnosis code M00.9

Code Classification
  • Diseases of the musculoskeletal system and connective tissue
    • Infectious arthropathies (M00-M02)
      • Pyogenic arthritis (M00)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code M00.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Acute arthritis
  • Acute bacterial arthritis
  • Acute infective arthritis
  • Acute infective polyarthritis
  • Acute polyarthritis
  • Acute suppurative arthritis
  • Acute suppurative arthritis caused by bacteria
  • Arthritis caused by viral infection
  • Arthritis due to parasitic infection
  • Arthritis of lower limb due to parasitic infection
  • Arthritis of temporomandibular joint
  • Arthritis of temporomandibular joint
  • Arthropathy associated with viral disease
  • Arthropathy associated with viral disease
  • Bacterial arthritis
  • Bacterial arthritis of elbow
  • Chronic infective arthritis
  • Chronic infective arthritis
  • Chronic infective polyarthritis
  • Elbow pyogenic arthritis
  • Infectious arthritis of temporomandibular joint
  • Infectious arthritis of temporomandibular joint
  • Infectious arthritis of temporomandibular joint caused by internal joint prosthesis
  • Infectious disorder of joint
  • Infective arthritis
  • Infective arthritis associated with acquired immunodeficiency syndrome
  • Infective arthritis of ankle and/or foot
  • Infective arthritis of elbow
  • Infective arthritis of pelvis
  • Infective arthritis of shoulder region
  • Infective polyarthritis
  • Knee pyogenic arthritis
  • Pyogenic arthritis of foot
  • Pyogenic arthritis of hip
  • Pyogenic arthritis of multiple sites
  • Pyogenic arthritis of pelvic region
  • Pyogenic arthritis of shoulder region
  • Pyogenic arthritis of the ankle and/or foot
  • Pyogenic arthritis of the pelvic region and thigh
  • Subacute arthritis
  • Subacute arthropathy
  • Subacute infective arthritis
  • Subacute infective polyarthritis
  • Suppurative arthritis
  • Suppurative arthritis caused by bacteria
  • Viral musculoskeletal infection

Index of Diseases and Injuries
References found for the code M00.9 in the Index of Diseases and Injuries:

Information for Patients

Infectious Arthritis

Also called: Septic arthritis

Most kinds of arthritis cause pain and swelling in your joints. Joints are places where two bones meet, such as your elbow or knee. Infectious arthritis is an infection in the joint. The infection comes from a bacterial, viral, or fungal infection that spreads from another part of the body. Symptoms of infectious arthritis include

  • Intense pain in the joint
  • Joint redness and swelling
  • Chills and fever
  • Inability to move the area with the infected joint

One type of infectious arthritis is reactive arthritis. The reaction is to an infection somewhere else in your body. The joint is usually the knee, ankle, or toe. Sometimes, reactive arthritis is set off by an infection in the bladder, or in the urethra, which carries urine out of the body. In women, an infection in the vagina can cause the reaction. For both men and women, it can start with bacteria passed on during sex. Another form of reactive arthritis starts with eating food or handling something that has bacteria on it.

To diagnose infectious arthritis, your health care provider may do tests of your blood, urine, and joint fluid. Treatment includes medicines and sometimes surgery.

  • Fungal arthritis
  • HLA-B27 antigen
  • Reactive arthritis
  • Septic arthritis
  • Viral arthritis

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