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CPT 62270: Diagnostic Spinal Puncture for Cerebrospinal Fluid Sampling
CPT code 62270 represents a diagnostic spinal puncture (lumbar puncture) to obtain cerebrospinal fluid (CSF) for examination. This procedure is clinically important nationwide because CSF analysis is a key diagnostic step for suspected meningitis, central nervous system infections, inflammatory conditions, and other neurologic disorders. Accurate coding of 62270 affects clinical documentation, care pathways, and payment for acute diagnostic services.
Key payers included in this coverage overview are Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare. Readers will find a concise explanation of the clinical context for the procedure, typical sites of service, common related procedures, and the primary ICD-10 diagnoses that commonly justify the service. The publication also highlights associated clinical contexts such as evaluation of headache, suspected infection, syncope, seizures, and demyelinating disease.
The report provides practical benchmarks and coding context, clarifies distinctions from related CPT codes used with imaging guidance or therapeutic drainage, and summarizes the typical clinical scenarios that support billing of 62270. Policy updates and payer-specific coverage nuances are discussed at a high level to inform coding accuracy and administrative review. Data not available in the input is noted where applicable.
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Billing Code Overview
CPT code 62270 describes a diagnostic procedure in which a provider obtains a sample of cerebrospinal fluid (CSF) for laboratory examination. This procedure is commonly performed to evaluate or rule out central nervous system infections such as meningitis and other conditions affecting the CSF.
Service type: Diagnostic spinal puncture (lumbar puncture) for CSF sampling
Typical site of service: Hospital inpatient or emergency department; ambulatory surgical center; outpatient clinic
National Reimbursement Benchmarks
Medicare’s mean rate for CPT 62270 sits near $170.30, notably lower than BUCA’s average commercial mean of $378.80, indicating a substantial gap between public and average commercial reimbursement for this code. This spread suggests commercial contracts with BUCA pay, on average, roughly $208.50 more than Medicare for the same service.
Dispersion varies by payer: Blue Cross Blue Shield exhibits the widest interquartile spread (P75–P25 = $356.00), while Aetna is relatively tight (P75–P25 = $87.30). UnitedHealth Group and Cigna show moderate spreads of $138.00 and $139.60 respectively, and BUCA’s interquartile spread is $236.80. These differences indicate that commercial markets differ substantially in rate consistency, with Blue Cross Blue Shield showing the greatest variability and Aetna the least.