Chapter 21: Symptoms, Signs or Clinical Findings, Not Elsewhere Classified
ICD-11 codes MA00-MH2Z
Covers symptoms and signs that do not yet have a definitive diagnosis, including chest pain, abdominal pain, fever, cough, headache, fatigue, and abnormal lab results. These codes are commonly used when a workup is still in progress.
MA00-MA0Z
Symptoms or signs involving the circulatory system
No category codes found in this block.
MA20-MA2Z
Symptoms or signs involving the respiratory system
No category codes found in this block.
MA40-MA4Z
Symptoms or signs involving the digestive system
No category codes found in this block.
MA80-MA8Z
Symptoms or signs involving the skin
No category codes found in this block.
MB00-MB4Z
Symptoms or signs involving the nervous system
No category codes found in this block.
MB40-MB4Z
Symptoms or signs involving the musculoskeletal system
No category codes found in this block.
MC00-MC0Z
Symptoms or signs involving the genitourinary system
No category codes found in this block.
MC40-MC4Z
Symptoms or signs involving cognition, perception or emotional state
No category codes found in this block.
MD00-MD0Z
General symptoms
No category codes found in this block.
MD40-MD4Z
Abnormal findings on examination of blood
No category codes found in this block.
MD80-MD8Z
Abnormal findings on examination of urine
No category codes found in this block.
ME00-ME0Z
Abnormal findings on diagnostic imaging
No category codes found in this block.
ME40-ME6Z
Abnormal findings on examination of other body fluids
No category codes found in this block.
MF00-MF0Z
Abnormal findings on histological examination
No category codes found in this block.
MG00-MG4Z
Ill-defined and unknown cause of mortality
No category codes found in this block.
MH00-MH2Z
Other symptoms, signs or clinical findings
No category codes found in this block.
Frequently Asked Questions
What ICD-11 codes are in Chapter 21?
Chapter 21: Symptoms, Signs or Clinical Findings, Not Elsewhere Classified covers ICD-11 codes MA00-MH2Z. It contains 16 code blocks with 0 top-level categories.
What conditions does ICD-11 Chapter 21 cover?
Covers symptoms and signs that do not yet have a definitive diagnosis, including chest pain, abdominal pain, fever, cough, headache, fatigue, and abnormal lab results. These codes are commonly used when a workup is still in progress. This chapter includes codes from MA00-MH2Z.
How is ICD-11 Chapter 21 different from ICD-10?
ICD-11 reorganized many chapters compared to ICD-10. Chapter 21 (Symptoms, Signs or Clinical Findings, Not Elsewhere Classified) may include conditions that were in different ICD-10 chapters, and some conditions previously here may have moved. ICD-11 also adds new chapters for sleep-wake disorders, sexual health, and traditional medicine that did not exist in ICD-10.
How many code blocks are in ICD-11 Chapter 21?
Chapter 21 has 16 code blocks: MA00-MA0Z (Symptoms or signs involving the circulatory system), MA20-MA2Z (Symptoms or signs involving the respiratory system), MA40-MA4Z (Symptoms or signs involving the digestive system), MA80-MA8Z (Symptoms or signs involving the skin), and 12 more.
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