Clinical Quality Language Specification
2.0.0-ballot - R2 STU 1 (Ballot)

Clinical Quality Language Specification, published by Clinical Decision Support WG. This guide is not an authorized publication; it is the continuous build for version 2.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cql/ and changes regularly. See the Directory of published versions

## Appendix K - List Of Figures

Page standards status: Informative | Maturity Level: N/A

### Introduction

1. Figure 1-A : The overall target specification areas involved in clinical quality artifact representation

2. Figure 1-B : The steps performed by a traditional compiler

3. Figure 1-C : How the CQL and ELM specifications will be used in the sharing use case

### Author's Guide

1. Figure 2-A : Simplified patient/practitioner information model

2. Figure 2-B : Unfiltered vs patient context

3. Figure 2-C : Simple patient information model

4. Figure 2-D : The union, intersect, and except operators for intervals

5. Figure 2-E : The union, intersect, and except operators for lists

6. Figure 2-F : Example input intervals to illustrate the behavior of the collapse operator

7. Figure 2-G : Example output intervals to illustrate the behavior of the collapse operator

### Logical Specification

1. Figure 4-A : A diagram to explain how ELM represents addition of 2 literal values

2. Figure 4-B : A diagram to explain how ELM represents an equal comparison

3. Figure 4-C : A diagram to explain how ELM represents a simple And expression

4. Figure 4-D : A diagram to explain how ELM represents a simple If expression

5. Figure 4-E : A diagram to explain how ELM represents a complex multi-conditional Case expression

6. Figure 4-F : A diagram to explain how ELM represents a comparand-base Case expression

7. Figure 4-G : A diagram to explain how ELM represents a simple Add expression

8. Figure 4-H : A diagram to explain how ELM represents the construction of a Tuple

9. Figure 4-I : A diagram to explain how ELM represents the construction of a structured value using the Instance class