Foot, Split

Definition:

Subjective: Longitudinal deficiency of a digital ray of the foot except rays 1 or 5

Comments:

The threshold for this deficiency should be that all of the phalanges in the ray are absent and at least part of the metatarsal. If just the phalanges that are missing, this should be coded as Absent toe. The absence of a central ray or rays frequently yields a cleft appearance of the foot. This term is preferred to "ectrodactyly of the foot" as this has been used (more appropriately) for various forms of phalangeal hypoplasia or amputation. "Lobster claw deformity" is neither descriptive nor acceptable. There is wide variation in the affected feet, but the common factor is the absent central ray, justifying Split foot as a clinical designation.

Synonyms:

• Cleft Foot

Replaces:

• Ectrodactyly
• Lobster Claw Deformity

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