R74
Non-billableAbnormal serum enzyme levels
Abnormal serum enzyme levels
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
- •abnormalities of lipidsE78
- •abnormalities of platelets and thrombocytesD69
- •abnormalities of white blood cells classified elsewhereD70-D72
- •coagulation hemorrhagic disordersD65-D68
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- •hemorrhagic and hematological disorders of newbornP50-P61
Child Codes (3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for abnormal serum enzyme levels?
The ICD-10-CM code for abnormal serum enzyme levels is R74. The full clinical description is "Abnormal serum enzyme levels". R74 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code R74 mean?
ICD-10-CM code R74 represents “Abnormal serum enzyme levels”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a non-billable header code. Use a more specific child code for billing purposes.
Is R74 a billable code?
No, R74 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under R74.
What chapter is R74 in?
R74 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What are the subcategories under R74?
R74 has 3 child codes, including: R74.0 (Nonspec elev of levels of transamns & lactic acid dehydrgnse), R74.8 (Abnormal levels of other serum enzymes), R74.9 (Abnormal serum enzyme level, unspecified).
What are the UMLS CUIs for R74?
R74 is linked to 1 UMLS Concept Unique Identifier: C0495710. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R74 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like abnormal serum enzyme levels affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R74?
R74 maps to the ICD-11 code: MA10.2 (Abnormal level of unspecified serum enzyme).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.