M00.171
✓ Billable
Pneumococcal arthritis, right ankle and foot
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M00.171
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M00.171?
ICD-10-CM code M00.171 represents Pneumococcal arthritis, right ankle and foot. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M00.171 billable?
Yes. M00.171 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M00.171 in?
M00.171 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M00 category
M00
Pyogenic arthritis
Non-billable
M00.0
Staphylococcal arthritis and polyarthritis
Non-billable
M00.1
Pneumococcal arthritis and polyarthritis
Non-billable
M00.2
Other streptococcal arthritis and polyarthritis
Non-billable
M00.8
Arthritis and polyarthritis due to other bacteria
Non-billable
M00.9
Pyogenic arthritis, unspecified
Billable
M00.00
Staphylococcal arthritis, unspecified joint
Billable
M00.01
Staphylococcal arthritis, shoulder
Non-billable
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