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M00.8

Arthritis and polyarthritis due to other bacteria

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 11 never code together
M00code
Excludes2
  • infection and inflammatory reaction due to internal joint prosthesis (T84.5-)T84.5-
M00-M99chapter
Excludes2
  • arthropathic psoriasis (L40.5-)L40.5-
  • certain conditions originating in the perinatal period (P04-P96)P04-P96
  • certain infectious and parasitic diseases (A00-B99)A00-B99
  • compartment syndrome (traumatic) (T79.A-)T79.A-
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 3
M00.8code
Use additional code
  • code (B96) to identify bacteriaB96B96
M00-M25block
Includes
  • Disorders affecting predominantly peripheral (limb) joints
M00-M99chapter
Notes
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here 1
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
    • in (due to)
      • Hemophilus influenzae M00.8
Alongside this code 4 same parent — M00
M00.0 Staphylococcal arthritis and polyarthritis category M00.1 Pneumococcal arthritis and polyarthritis category M00.2 Other streptococcal arthritis and polyarthritis category M00.9 Pyogenic arthritis, unspecified
Subordinate codes 10
M00.80 Arthritis due to other bacteria, unspecified joint M00.81 Arthritis due to other bacteria, shoulder M00.82 Arthritis due to other bacteria, elbow M00.83 Arthritis due to other bacteria, wrist M00.84 Arthritis due to other bacteria, hand M00.85 Arthritis due to other bacteria, hip M00.86 Arthritis due to other bacteria, knee M00.87 Arthritis due to other bacteria, ankle and foot M00.88 Arthritis due to other bacteria, vertebrae M00.89 Polyarthritis due to other bacteria
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

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This code

Billable
no
Code set
FY2026
Parent
M00
Block
M00-M25
Siblings
4
Subordinate
10

Present FY2024–FY2027.