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21Symptoms, signs or clinical findings, not elsewhere classified
Symptoms, signs or clinical findings of blood, blood-forming organs, or the immune system
Clinical findings in blood, blood-forming organs, or the immune system
MA19Certain abnormalities of plasma proteins

MA19.1 category

Abnormality of alphafetoprotein

Also indexed as

Abnormality of alphafetoprotein

Nearby in Certain abnormalities of plasma proteins

MA19.0Abnormality of albumin
MA19.2Abnormality of globulin
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

PreviousMA19.0 — Abnormality of albumin NextMA19.2 — Abnormality of globulin

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
MA00-MA1YSymptoms, signs or clinical findings of blood, blood-forming organs, or the immune system
MA50-MA6YSymptoms, signs or clinical findings of endocrine, nutritional or metabolic diseases
MA80-MB0YSymptoms, signs or clinical findings of speech, language or voice
MB20-MB2YMental or behavioural symptoms, signs or clinical findings
MB40-MB9YSymptoms, signs or clinical findings of the nervous system
MC10-MC2YSymptoms, signs or clinical findings of the visual system
MC40-MC6YSymptoms, signs or clinical findings of ear or mastoid process
MC80-MC9YSymptoms, signs or clinical findings of the circulatory system
MD10-MD6YSymptoms, signs or clinical findings of the respiratory system
7 more
MA00-MA0YSymptoms or signs of blood, blood-forming organs, or the immune system
MA10-MA1YClinical findings in blood, blood-forming organs, or the immune system
MA13Clinical findings of substances chiefly nonmedicinal as to source in blood, blood-forming organs, or the immune system
MA14Immunological findings in blood, blood-forming organs, or the immune system
MA15Microbiological findings in blood, blood-forming organs, or the immune system
MA16Cytological findings in blood, blood-forming organs, or the immune system
MA17Histological findings in blood, blood-forming organs, or the immune system
MA18Certain clinical findings of blood chemistry
MA19Certain abnormalities of plasma proteins
MA1AElevated erythrocyte sedimentation rate or abnormality of plasma viscosity
4B4YOther specified diseases of the immune system
3 more
MA19.0Abnormality of albumin
MA19.1Abnormality of alphafetoprotein
MA19.2Abnormality of globulin
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

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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