Table 20 L4-level accuracy (%) across three coding systems.

From: Ophtimus-V2-Tx: a compact domain-specific LLM for ophthalmic diagnosis and treatment planning

System

Samples

OpenAI (%)

Claude (%)

Gemini (%)

Perplexity (%)

ATC (L4 group)

1000

32.60

41.60

59.50

81.80

ICD-10-CM (4th character)

198

3.03

21.21

4.04

33.33

ICD-10-PCS (4th axis)

802

3.99

21.95

4.49

28.80

  1. “L4” denotes system-specific fourth-level granularity: ATC L4 group; ICD-10-CM fourth character (subcategory); ICD-10-PCS fourth axis (Body Part).