Lawrence and Botte Classification (Fifth Metatarsal Fracture)

Assigns the Lawrence and Botte zone (1, 2 or 3) of a proximal fifth metatarsal fracture from where it sits.

Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Fracture location
Metaphyseal-diaphyseal junction

Result: Lawrence and Botte zone 2: Jones fracture of the metaphyseal-diaphyseal junction.

The tool opens with these values already filled in. Replace them with your own.

What you enter

  • Fracture location
  • Fracture line and medullary canal (zone 3)
How this is calculated

Citation

Lawrence SJ, Botte MJ. Jones' fractures and related fractures of the proximal fifth metatarsal. Foot Ankle. 1993;14(6):358-365. Zone 3 types: Torg JS et al. J Bone Joint Surg Am. 1984;66(2):209-214. As described in Caruso B, Chin K. Clin Orthop Relat Res. 2025;483(7):1260-1263. Read the sources: Lawrence 1993 ↗, Caruso 2025 ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

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Built by Clay Good. Source on GitHub.