R74.9
BillableAbnormal serum enzyme level, unspecified
Abnormal serum enzyme level, unspecified
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
Related Codes(2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(6)
SNOMED CT
Clinical Terms
- High enzyme level in serum
- Enzyme level in serum specimen above reference range
Frequently Asked Questions
What is the ICD-10 code for abnormal serum enzyme level, unspecified?
The ICD-10-CM code for abnormal serum enzyme level, unspecified is R74.9. The full clinical description is "Abnormal serum enzyme level, unspecified". R74.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R74.9 mean?
ICD-10-CM code R74.9 represents “Abnormal serum enzyme level, unspecified”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R74.9 a billable code?
Yes, R74.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R74.9 in?
R74.9 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What SNOMED CT codes does R74.9 map to?
R74.9 maps to 1 SNOMED CT concept: 441888001. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R74.9?
R74.9 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 R74.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like abnormal serum enzyme level, unspecified 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 R74.9?
R74.9 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.