M20.5X2 — Other deformities of toe(s) (acquired), left foot
Is M20.5X2 billable?
Yes — M20.5X2 is billable for FY2027. M20.5X2 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M20.5X2 may be submitted for encounters from October 1, 2026 through September 30, 2027.
M20.5X2 at a glance
| Code | M20.5X2 |
|---|---|
| Description | Other deformities of toe(s) (acquired), left foot |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M20.5X2 group to?
M20.5X2 sits in MDC 08 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCCmedical
- 565Other Musculoskeletal System and Connective Tissue Diagnoses with CCmedical
- 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCCmedical
How is M20.5X2 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M20.5X, the nearest indexed parent of M20.5X2. Use them to find the family, then select the specific code.
- Hallux › deformityNEC
- Hallux › limitus
- Deformity › toe › specified NEC
Excludes1 — never code together — inherited from M20
The conditions below can never be reported together with M20.5X2 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M20.5X2, but a patient may have both at the same time. When documentation supports it, M20.5X2 and the excluded code may both be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Excludes2 — not included here — inherited from M20-M25
The conditions below are not part of M20.5X2, but a patient may have both at the same time. When documentation supports it, M20.5X2 and the excluded code may both be reported.
- joints of the spine (M40-M54)
How long has M20.5X2 existed?
M20.5X2 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.