CPT 85027: Complete Blood Count (CBC), Automated
Complete blood count (CBC), automated (hemoglobin, hematocrit, RBC, WBC, platelet count). Does not include differential. A basic hematology panel for screening and monitoring blood disorders.
Why CPT 85027 Claims Get Denied
Claims billed under CPT 85027 are frequently denied or downcoded for the following reasons. Understanding these patterns helps your practice reduce denial rates and recover revenue faster.
Duplicate with CBC with differential (85025) on same date
Frequency exceeds medical necessity guidelines
Diagnosis code does not support the test
Bundled with other hematology panel
Billing Tips for CPT 85027
If a differential is also performed, bill 85025 instead (CBC with automated differential). Do not bill 85027 and 85025 on the same date. Link to appropriate diagnosis such as anemia, infection, or pre-surgical screening.
Documentation Requirements
To support a clean claim for CPT 85027, your clinical documentation should include:
Provider order
Clinical indication for the test
Results documented in the medical record
Interpretation and follow-up plan
Common Modifiers for CPT 85027
Reduce CPT 85027 Denials by 60%
RediClaim's pre-submission scrubber catches documentation gaps and coding errors before you submit, while the appeal generator handles denials that slip through.