HL7 Europe Common Cancer Model
1.0.0-ballot - ballot 150

HL7 Europe Common Cancer Model - Local Development build (v1.0.0-ballot) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

## Logical Model: CancerPatient - Detailed Descriptions

Active as of 2026-06-14

Definitions for the CancerPatient logical model.

- Key Elements Table
- Differential Elements Table
- Snapshot Elements Table

Guidance on how to interpret the contents of this table can be foundhere

0. CancerPatient
Definition | Logical model describing the patient affected by cancer, acting as the central subject for diagnosis, treatments, disease evolution and follow-up. Derived from Cancer_Common_Logical_Model_20260521.xlsx (sheet CancerPatient).
Short | Cancer Patient
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. CancerPatient.birthDate
Definition | Patient date of birth (at least the year should be available).
Short | BirthDate
Comments | At least the year must be present.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
4. CancerPatient.sexAtBirth
Definition | Biological sex assigned at birth, determined by sex characteristics observed at birth or infancy (e.g., genital characteristics and/or chromosome composition). This represents sex as a biological variable and should not be used to represent gender identity or administrative gender.
Short | SexAtBirth
Comments | This element refers to biological sex assigned at birth (not gender identity). It is typically captured once and is not expected to change. Choice: Male | Female | Unknown | Other
Control | 1..1
Type | CodeableConcept
6. CancerPatient.observedSexGender
Definition | Recorded sex at the time of cancer diagnosis, if different from SexAtBirth. This captures what is documented at diagnosis and should be interpreted in line with the clinical record context.
Short | ObservedSex Gender
Comments | It shall be present if changed respect the SexAtBirth. See https://confluence.hl7.org/spaces/VOC/pages/40743893/The+Gender+Harmony+Project
Control | 0..1
Type | CodeableConcept
8. CancerPatient.comorbiditiesAtCancerDiagnosis
Definition | Active chronic conditions present at the time of cancer diagnosis.
Short | ComorbiditiesAtCancerDiagnosis
Comments | Active chronic conditions present at the time of cancer diagnosis.
Control | 0..*
Type | CodeableConcept

Guidance on how to interpret the contents of this table can be foundhere

0. CancerPatient
Definition | Logical model describing the patient affected by cancer, acting as the central subject for diagnosis, treatments, disease evolution and follow-up. Derived from Cancer_Common_Logical_Model_20260521.xlsx (sheet CancerPatient).
Short | Cancer Patient
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. CancerPatient.birthDate
Definition | Patient date of birth (at least the year should be available).
Short | BirthDate
Comments | At least the year must be present.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
4. CancerPatient.sexAtBirth
Definition | Biological sex assigned at birth, determined by sex characteristics observed at birth or infancy (e.g., genital characteristics and/or chromosome composition). This represents sex as a biological variable and should not be used to represent gender identity or administrative gender.
Short | SexAtBirth
Comments | This element refers to biological sex assigned at birth (not gender identity). It is typically captured once and is not expected to change. Choice: Male | Female | Unknown | Other
Control | 1..1
Type | CodeableConcept
6. CancerPatient.observedSexGender
Definition | Recorded sex at the time of cancer diagnosis, if different from SexAtBirth. This captures what is documented at diagnosis and should be interpreted in line with the clinical record context.
Short | ObservedSex Gender
Comments | It shall be present if changed respect the SexAtBirth. See https://confluence.hl7.org/spaces/VOC/pages/40743893/The+Gender+Harmony+Project
Control | 0..1
Type | CodeableConcept
8. CancerPatient.comorbiditiesAtCancerDiagnosis
Definition | Active chronic conditions present at the time of cancer diagnosis.
Short | ComorbiditiesAtCancerDiagnosis
Comments | Active chronic conditions present at the time of cancer diagnosis.
Control | 0..*
Type | CodeableConcept

Guidance on how to interpret the contents of this table can be foundhere

0. CancerPatient
Definition | Logical model describing the patient affected by cancer, acting as the central subject for diagnosis, treatments, disease evolution and follow-up. Derived from Cancer_Common_Logical_Model_20260521.xlsx (sheet CancerPatient).
Short | Cancer Patient
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. CancerPatient.birthDate
Definition | Patient date of birth (at least the year should be available).
Short | BirthDate
Comments | At least the year must be present.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
4. CancerPatient.sexAtBirth
Definition | Biological sex assigned at birth, determined by sex characteristics observed at birth or infancy (e.g., genital characteristics and/or chromosome composition). This represents sex as a biological variable and should not be used to represent gender identity or administrative gender.
Short | SexAtBirth
Comments | This element refers to biological sex assigned at birth (not gender identity). It is typically captured once and is not expected to change. Choice: Male | Female | Unknown | Other
Control | 1..1
Type | CodeableConcept
6. CancerPatient.observedSexGender
Definition | Recorded sex at the time of cancer diagnosis, if different from SexAtBirth. This captures what is documented at diagnosis and should be interpreted in line with the clinical record context.
Short | ObservedSex Gender
Comments | It shall be present if changed respect the SexAtBirth. See https://confluence.hl7.org/spaces/VOC/pages/40743893/The+Gender+Harmony+Project
Control | 0..1
Type | CodeableConcept
8. CancerPatient.comorbiditiesAtCancerDiagnosis
Definition | Active chronic conditions present at the time of cancer diagnosis.
Short | ComorbiditiesAtCancerDiagnosis
Comments | Active chronic conditions present at the time of cancer diagnosis.
Control | 0..*
Type | CodeableConcept