ICD-10-CM category
M01: Direct infections of joint in infectious and parasitic diseases classified elsewhere
Codes under M01 (Direct infections of joint in infectious and parasitic diseases classified elsewhere). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| M01.X | Direct infection of joint in infectious and parasitic diseases classified elsewhere | — |
| M01.X | Direct infection of joint in infectious and parasitic diseases classified elsewhere | — |
| M01.X0 | Direct infection of unspecified joint in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X0 | Direct infection of unspecified joint in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X1 | Direct infection of shoulder joint in infectious and parasitic diseases classified elsewhere | — |
| M01.X1 | Direct infection of shoulder joint in infectious and parasitic diseases classified elsewhere | — |
| M01.X2 | Direct infection of elbow in infectious and parasitic diseases classified elsewhere | — |
| M01.X2 | Direct infection of elbow in infectious and parasitic diseases classified elsewhere | — |
| M01.X3 | Direct infection of wrist in infectious and parasitic diseases classified elsewhere | — |
| M01.X3 | Direct infection of wrist in infectious and parasitic diseases classified elsewhere | — |
| M01.X4 | Direct infection of hand in infectious and parasitic diseases classified elsewhere | — |
| M01.X4 | Direct infection of hand in infectious and parasitic diseases classified elsewhere | — |
| M01.X5 | Direct infection of hip in infectious and parasitic diseases classified elsewhere | — |
| M01.X5 | Direct infection of hip in infectious and parasitic diseases classified elsewhere | — |
| M01.X6 | Direct infection of knee in infectious and parasitic diseases classified elsewhere | — |
| M01.X6 | Direct infection of knee in infectious and parasitic diseases classified elsewhere | — |
| M01.X7 | Direct infection of ankle and foot in infectious and parasitic diseases classified elsewhere | — |
| M01.X7 | Direct infection of ankle and foot in infectious and parasitic diseases classified elsewhere | — |
| M01.X8 | Direct infection of vertebrae in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X8 | Direct infection of vertebrae in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X9 | Direct infection of multiple joints in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X9 | Direct infection of multiple joints in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X11 | Direct infection of right shoulder in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X11 | Direct infection of right shoulder in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X12 | Direct infection of left shoulder in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X12 | Direct infection of left shoulder in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X19 | Direct infection of unspecified shoulder in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X19 | Direct infection of unspecified shoulder in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X21 | Direct infection of right elbow in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X21 | Direct infection of right elbow in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X22 | Direct infection of left elbow in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X22 | Direct infection of left elbow in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X29 | Direct infection of unspecified elbow in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X29 | Direct infection of unspecified elbow in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X31 | Direct infection of right wrist in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X31 | Direct infection of right wrist in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X32 | Direct infection of left wrist in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X32 | Direct infection of left wrist in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X39 | Direct infection of unspecified wrist in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X39 | Direct infection of unspecified wrist in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X41 | Direct infection of right hand in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X41 | Direct infection of right hand in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X42 | Direct infection of left hand in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X42 | Direct infection of left hand in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X49 | Direct infection of unspecified hand in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X49 | Direct infection of unspecified hand in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X51 | Direct infection of right hip in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X51 | Direct infection of right hip in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X52 | Direct infection of left hip in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X52 | Direct infection of left hip in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X59 | Direct infection of unspecified hip in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X59 | Direct infection of unspecified hip in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X61 | Direct infection of right knee in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X61 | Direct infection of right knee in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X62 | Direct infection of left knee in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X62 | Direct infection of left knee in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X69 | Direct infection of unspecified knee in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X69 | Direct infection of unspecified knee in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X71 | Direct infection of right ankle and foot in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X71 | Direct infection of right ankle and foot in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X72 | Direct infection of left ankle and foot in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X72 | Direct infection of left ankle and foot in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X79 | Direct infection of unspecified ankle and foot in infectious and parasitic diseases classified elsewhere | ✓ |
| M01.X79 | Direct infection of unspecified ankle and foot in infectious and parasitic diseases classified elsewhere | ✓ |
Frequently asked questions
What is ICD-10-CM code M01?
M01 is an ICD-10-CM category covering Direct infections of joint in infectious and parasitic diseases classified elsewhere. It contains 64 more specific diagnosis codes, 48 of which are billable.
Is M01 a billable code?
No — M01 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example M01.X — Direct infection of joint in infectious and parasitic diseases classified elsewhere). 48 of the 64 codes under M01 are billable.
What codes fall under M01?
M01 includes M01.X, M01.X, M01.X0, M01.X0, M01.X1, plus 59 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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