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XExtension Codes
Anatomy and topography
Functional anatomy
Musculoskeletal system
Muscles

XA8PG5 category

Muscle of the abdomen

8 subordinate codes

XA3TW8External oblique abdominis muscle
XA9B36Internal oblique abdominis muscle
XA43E9Psoas major muscle
XA7DA1Psoas minor muscle
XA6AY9Pyramidalis muscle
XA1GP3Quadratus lumborum muscle
XA1N65Rectus abdominis muscle
XA9FR3Transversus abdominis muscle

Also indexed as

Muscle of the abdomen

Nearby in Muscles

XA2JQ8Muscles of the head and neck
XA19W0Muscle of the thorax
XA8Z76Muscle of the back
XA2J71Muscles of the pelvis and perineum
XA4Z20Muscles of the upper extremity
XA47J0Muscles of the lower extremity

PreviousXA19W0 — Muscle of the thorax NextXA8Z76 — Muscle of the back

Browse ICD-11

01Certain infectious or parasitic diseases
02Neoplasms
03Diseases of the blood or blood-forming organs
04Diseases of the immune system
05Endocrine, nutritional or metabolic diseases
06Mental, behavioural or neurodevelopmental disorders
07Sleep-wake disorders
08Diseases of the nervous system
09Diseases of the visual system
10Diseases of the ear or mastoid process
11Diseases of the circulatory system
12Diseases of the respiratory system
13Diseases of the digestive system
14Diseases of the skin
15Diseases of the musculoskeletal system or connective tissue
16Diseases of the genitourinary system
17Conditions related to sexual health
18Pregnancy, childbirth or the puerperium
19Certain conditions originating in the perinatal period
20Developmental anomalies
21Symptoms, signs or clinical findings, not elsewhere classified
22Injury, poisoning or certain other consequences of external causes
23External causes of morbidity or mortality
24Factors influencing health status or contact with health services
25Codes for special purposes
26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
Severity Scale Value
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Topology Scale Value
Anatomy and topography
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Dimensions of external causes
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Functional anatomy
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Musculoskeletal system
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Bones
Joints and ligaments
Cartilage
Muscles
Tendons
XA16K5Bursa
XA2JQ8Muscles of the head and neck
XA19W0Muscle of the thorax
XA8PG5Muscle of the abdomen
XA8Z76Muscle of the back
XA2J71Muscles of the pelvis and perineum
XA4Z20Muscles of the upper extremity
XA47J0Muscles of the lower extremity
XA3TW8External oblique abdominis muscle
XA9B36Internal oblique abdominis muscle
XA43E9Psoas major muscle
XA7DA1Psoas minor muscle
XA6AY9Pyramidalis muscle
XA1GP3Quadratus lumborum muscle
XA1N65Rectus abdominis muscle
XA9FR3Transversus abdominis muscle

International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).

Release 2026-01. View this entity in the official WHO ICD-11 browser.

This page reproduces WHO classification content for reference. It is not medical advice and must not be used to diagnose or treat. For coding decisions, consult the official release and your national coding guidelines.

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