ICD-10-CM
ICD-10 code for Arthritis: M19.90
The ICD-10-CM index points "Arthritis" to M19.90, Unspecified osteoarthritis, unspecified site. M19.90 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- A54.42blennorrhagic (gonococcal), Gonococcal arthritisBillable
- B74.9chylous (filarial), Filariasis, unspecifiedBillable
- A25.1epidemic erythema, StreptobacillosisBillable
- M47.819facet joint, Spondylosis without myelopathy or radiculopathy, site unspecifiedBillable
- A54.42gonococcal, Gonococcal arthritisBillable
- M08.90juvenile, Juvenile arthritis, unspecified, unspecified siteBillable
- A39.83meningococcal, Meningococcal arthritisBillable
- L40.52mutilans (psoriatic), Psoriatic arthritis mutilansBillable
- B49mycotic NEC, Unspecified mycosisBillable
- E70.29ochronotic, Other disorders of tyrosine metabolismBillable
- M00.10pneumococcal, Pneumococcal arthritis, unspecified jointBillable
- A39.84postmeningococcal, Postmeningococcal arthritisBillable
- L40.50psoriatic, Arthropathic psoriasis, unspecifiedBillable
- M00.9pyogenic or pyemic (any site except spine), Pyogenic arthritis, unspecifiedBillable
- M06.9rheumatoid, Rheumatoid arthritis, unspecifiedBillable
- B06.82rubella, Rubella arthritisBillable
- E54scorbutic, Ascorbic acid deficiencyBillable
- M13.80specified form NEC, Other specified arthritis, unspecified siteBillable
- M00.00staphylococcal, Staphylococcal arthritis, unspecified jointBillable
- M00.20streptococcal NEC, Other streptococcal arthritis, unspecified jointBillable
- A52.16syphilitic (late), Charcot's arthropathy (tabetic)Billable
- A52.16syphilitica deformans (Charcot), Charcot's arthropathy (tabetic)Billable
- A18.02tuberculous, Tuberculous arthritis of other jointsBillable
More specific codes in M19
A header groups codes and is not billed. A billable code is one you can report.
- M19Other and unspecified osteoarthritisHeader
- M19.0Primary osteoarthritis of other jointsHeader
- M19.01Primary osteoarthritis, shoulderHeader
- M19.02Primary osteoarthritis, elbowHeader
- M19.03Primary osteoarthritis, wristHeader
- M19.04Primary osteoarthritis, handHeader
- M19.07Primary osteoarthritis ankle and footHeader
- M19.09Primary osteoarthritis, other specified siteBillable
- M19.1Post-traumatic osteoarthritis of other jointsHeader
- M19.11Post-traumatic osteoarthritis, shoulderHeader
- M19.12Post-traumatic osteoarthritis, elbowHeader
- M19.13Post-traumatic osteoarthritis, wristHeader
- M19.14Post-traumatic osteoarthritis, handHeader
- M19.17Post-traumatic osteoarthritis, ankle and footHeader
- M19.19Post-traumatic osteoarthritis, other specified siteBillable
- M19.2Secondary osteoarthritis of other jointsHeader
- M19.21Secondary osteoarthritis, shoulderHeader
- M19.22Secondary osteoarthritis, elbowHeader
- M19.23Secondary osteoarthritis, wristHeader
- M19.24Secondary osteoarthritis, handHeader
- M19.27Secondary osteoarthritis, ankle and footHeader
- M19.29Secondary osteoarthritis, other specified siteBillable
- M19.9Osteoarthritis, unspecified siteHeader
- M19.90Unspecified osteoarthritis, unspecified siteBillable
- M19.91Primary osteoarthritis, unspecified siteBillable
- M19.92Post-traumatic osteoarthritis, unspecified siteBillable
- M19.93Secondary osteoarthritis, unspecified siteBillable
Excludes1
Excludes1 means these codes are not reported together.
From M19. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From M19. A note on a category applies to every code under it.
Related conditions
Related pages
- M19.90 code detailsNotes, nearby codes, CMS-HCC group
- Category M19Every code under it
- Chapter 13Diseases of the musculoskeletal system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Arthritis?
The ICD-10-CM index points "Arthritis" to M19.90, Unspecified osteoarthritis, unspecified site. M19.90 is a billable code.
Is M19.90 billable?
Yes. M19.90 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to M19.90?
The CDC tabular list gives 1 Excludes1 note (not coded together), 3 Excludes2 notes (may be coded together when both are documented) for M19.90 and the categories above it. They are listed on this page.
What chapter is M19.90 in?
Chapter 13. Diseases of the musculoskeletal system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.