M24.673 is the authoritative medical code for Ankylosis, unspecified ankle. This classification is used in medical billing and clinical recording to specify the clinical criteria for ankylosis, unspecified ankle (ICD-10-CM M24.673), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Ankylosis, unspecified ankle is a billable ICD-10-CM diagnosis code M24.673. Excludes1 (not coded here): stiffness of joint without ankylosis M25.6-; current injury - see injury of joint by body region. Excludes2 (not included here): spine M43.2-; ganglion M67.4; snapping knee M23.8-; temporomandibular joint disorders M26.6-; joints of the spine M40-M54.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M24.673 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- stiffness of joint without ankylosis M25.6-
- current injury - see injury of joint by body region
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- spine M43.2-
- ganglion M67.4
- snapping knee M23.8-
- temporomandibular joint disorders M26.6-
- joints of the spine M40-M54
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with M24.673?
Per official ICD-10-CM Excludes1 instructions, M24.673 must not be reported together with: stiffness of joint without ankylosis (M25.6-); current injury - see injury of joint by body region.
Can M24.673 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, M24.673 and the following are not considered part of each other and may both be reported when both conditions are present: spine (M43.2-); ganglion (M67.4); snapping knee (M23.8-); temporomandibular joint disorders (M26.6-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to M24.673 in its code family, with their registry titles.
- M24.08 — Loose body, other site
- M24.1 — Other articular cartilage disorders
- M24.10 — Other articular cartilage disorders, unspecified site
- M24.11 — Other articular cartilage disorders, shoulder
- M24.111 — Other articular cartilage disorders, right shoulder
- M24.112 — Other articular cartilage disorders, left shoulder
- M24.119 — Other articular cartilage disorders, unspecified shoulder
- M24.12 — Other articular cartilage disorders, elbow
- M24.121 — Other articular cartilage disorders, right elbow
- M24.122 — Other articular cartilage disorders, left elbow
View all 40 codes in the M24 family