ICD-10-CM Code M20.21
Hallux rigidus, right foot
BILLABLE
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ICD-10 from 2011 - 2016
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.M20.21 is a billable ICD code used to specify a diagnosis of hallux rigidus, right foot. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code M202 is used to code Hallux rigidus
Hallux rigidus or stiff big toe is degenerative arthritis and stiffness due to bone spurs that affects the MTP joint at the base of the hallux (big toe).
| Specialty: | Rheumatology |
| MeSH Code: | D020859 |
| ICD 9 Code: | 735.2 |
Hallux not labeled but visible at upper left.
MS-DRG Mapping
- DRG Group #564-566 - Other musculoskeletal system and connective tissue diagnoses with MCC.
- DRG Group #564-566 - Other musculoskeletal system and connective tissue diagnoses with CC.
- DRG Group #564-566 - Other musculoskeletal system and connective tissue diagnoses without CC or MCC.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
Hallux rigidus
(approximate match)
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code M20.21 and a single ICD9 code, 735.2 is an approximate match for comparison and conversion purposes.
Parent Code: M20.2 - Hallux rigidus