M00.249 Other streptococcal arthritis, unspecified hand

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from M00 Pyogenic arthritis

Excludes2 (not included here)

• infection and inflammatory reaction due to internal joint prosthesis (T84.5-)

Applies from M00.2 Other streptococcal arthritis and polyarthritis

Use additional code

• code (B95.0-B95.2, B95.4-B95.5) to identify bacterial agent

Applies from M00.24 Other streptococcal arthritis, hand

Applicable to

• Other streptococcal arthritis metacarpus and phalanges

Risk adjustment (HCC)

• CMS-HCC V28: HCC 92 — Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis
• CMS-HCC V22: HCC 39 — Bone/Joint/Muscle Infections/Necrosis
• ESRD V24: HCC 39

MS-DRG index

Defines the logic of DRG(s) 548-550 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 041.09 Streptococcus infection in conditions classified elsewhere and of unspecified site, other streptococcus (approximate)
• 711.04 Pyogenic arthritis, hand (approximate)
• 711.04 Pyogenic arthritis, hand (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Nearby codes

• M00.232 Other streptococcal arthritis, left wrist
• M00.239 Other streptococcal arthritis, unspecified wrist
• M00.24 Other streptococcal arthritis, hand
• M00.241 Other streptococcal arthritis, right hand
• M00.242 Other streptococcal arthritis, left hand
• M00.249 Other streptococcal arthritis, unspecified hand (this code)
• M00.25 Other streptococcal arthritis, hip
• M00.251 Other streptococcal arthritis, right hip
• M00.252 Other streptococcal arthritis, left hip
• M00.259 Other streptococcal arthritis, unspecified hip
• M00.26 Other streptococcal arthritis, knee