R74.9
Billable
ChapterR00–R99
Ranksubcategory
Official Description
Abnormal serum enzyme level, unspecified
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Billable/specific code (valid for reimbursement).
- •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).
General instructions are available for the parent sections:
Clinical Hierarchy
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to R74.9:
blockR70-R79
Abnormal findings on examination of blood, without diagnosis (R70-R79)
View context instructionschapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructionsAlphabetic Index Mentions
These are Diagnosis Index lookup paths that route to R74.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
1 raw paths
Abnormal, abnormality, abnormalities1 unique routes
MS-DRG Classification
This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:
Cross Reference
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