What Is ICD-10-PCS?
ICD-10-PCS is the U.S. inpatient hospital procedural code set maintained by CMS, with seven-character alphanumeric codes used exclusively to report procedures performed during inpatient hospital admissions for billing under MS-DRGs.
- ICD-10-PCS coding requires deep anatomy and surgical-technique knowledge because the seven characters together determine MS-DRG grouping and IPPS payment.
- Practices serving inpatient hospital clients should have AHIMA-certified inpatient coders (CCS) rather than outpatient/physician CPC-only coders.
ICD-10-PCS
Also known as: ICD-10 Procedure Coding System
ICD-10-PCS is the U.S. inpatient hospital procedural code set maintained by CMS, with seven-character alphanumeric codes used exclusively to report procedures performed during inpatient hospital admissions for billing under MS-DRGs.
Definition
ICD-10-PCS replaced ICD-9-CM Volume 3 on October 1, 2015. Each seven-character code is built from a defined structure: section, body system, root operation, body part, approach, device, and qualifier. CMS publishes annual updates effective October 1. ICD-10-PCS contains approximately 87,000 codes and is used only on inpatient hospital UB-04 claims to drive MS-DRG assignment and IPPS payment. Outpatient procedures (including hospital outpatient, ASC, and physician office) use CPT/HCPCS instead.
Example
0FB03ZX = Excision of liver, percutaneous endoscopic approach, diagnostic. The structure decodes as: 0 (Medical/Surgical), F (Hepatobiliary), B (Excision), 0 (Liver), 3 (Percutaneous endoscopic), Z (No device), X (Diagnostic).
Common Misconceptions
ICD-10-PCS is only used by inpatient hospital coders for UB-04 claims. Physicians submitting professional fee claims for the same inpatient procedure use CPT codes on the CMS-1500, not ICD-10-PCS.
Practical Application
ICD-10-PCS coding requires deep anatomy and surgical-technique knowledge because the seven characters together determine MS-DRG grouping and IPPS payment. Practices serving inpatient hospital clients should have AHIMA-certified inpatient coders (CCS) rather than outpatient/physician CPC-only coders.
Related Terms
ICD-10-CM
ICD-10-CM is the U.S. clinical modification of the WHO's ICD-10 diagnosis code set, maintained by the CDC's National Center for Health Statistics, used to report diagnoses on all HIPAA-covered claims.
Read definition arrow_forwardCPT (Current Procedural Terminology)
CPT is the five-digit procedural code set developed and maintained by the American Medical Association that describes medical, surgical, and diagnostic services performed by physicians and qualified health professionals; it is HIPAA-named for use in claims.
Read definition arrow_forwardDRG (Diagnosis-Related Group)
A DRG is the inpatient hospital classification system that groups admissions with similar clinical characteristics and resource use into a single payment category; CMS uses MS-DRGs to pay hospitals under the IPPS for Medicare inpatient stays.
Read definition arrow_forwardUB-04 form
The UB-04 (also known as CMS-1450) is the standard paper claim form used by institutional providers (hospitals, SNFs, home health, hospice) to bill Medicare and other payers; its electronic equivalent is the 837I (Institutional) HIPAA EDI transaction.
Read definition arrow_forwardWhere This Applies on MedPrecision
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