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Official HIPAA X12N / NUCC Code 291U00000X

Taxonomy Code 291U00000X: Laboratories — Clinical Medical Laboratory

Plain-English meaning: CLIA-Certified Diagnostic Medical & Pathology Laboratory. Below is the official CMS Medicare Specialty Code crosswalk for medical billing, credentialing, and EDI 837 claim submission.

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CMS Medicare Specialty Code Crosswalk for 291U00000X

CMS Specialty CodeMedicare Provider / Supplier Type DescriptionEDI / Claim Placement
69 Clinical LaboratoryCMS-1500 Box 24J / 33b & X12 837P PRV03
B4[14] Histocompatibility LaboratoryCMS-1500 Box 24J / 33b & X12 837P PRV03
Plain-English Taxonomy & CMS Crosswalk (291U00000X)

What Does Taxonomy Code 291U00000X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 291U00000X translates to:
"CLIA-Certified Diagnostic Medical & Pathology Laboratory"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 69 (Clinical Laboratory) • CMS Code B4[14] (Histocompatibility Laboratory)
Certifying / Accrediting Authority: CMS CLIA / College of American Pathologists (CAP)
Clinical Scope: Fasting blood tests, bilirubin and liver function tests, kidney function (creatinine/eGFR), urine culture and sensitivity, or PCR molecular diagnostics.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (Laboratories — Clinical Medical Laboratory)

Typical CPT / Diagnostic Procedures:
  • Complete Blood Count (CBC) with Automated Differential (CPT 85025)
  • Comprehensive Metabolic Panel (CMP), Fractionated Bilirubin & Hepatic Panel
  • Quantitative Urine Culture & Colony Count (≥ 10⁵ CFU/mL) with Antibiotic Susceptibility
  • HbA1c, Lipid Panel, TSH & High-Sensitivity Troponin Assays
Common Therapeutic Classes:
  • Diagnostic Reagent Panels & CLSI Antimicrobial Susceptibility Disks/MIC Cards
Medical Billing, RCM & Hospital Credentialing Teams:
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Sample Active NPI Providers Registered Under 291U00000X / Related Specialty

NPI 1457650855
✓ OIG Clear

1 CARDIOVASCULAR DIAGNOSTIC CENTER

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 CALLE SABOYA A4, CAGUAS, PR, 00725
📞 (787) 375-5119
NPI 1932997681
✓ OIG Clear

1 CORP DIAGNOSTICS LLC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 2806 RANDLEMAN RD STE D, GREENSBORO, NC, 27406-5266
📞 (336) 500-8026
NPI 1558227546
✓ OIG Clear

1 FOR THE PLANET INC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 12828 WILLOW CENTRE DR STE D, HOUSTON, TX, 77066-3043
📞 (713) 766-2796
NPI 1588375828
✓ OIG Clear

1 LAB DIAGNOSTICS NJ LLC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 107 GAITHER DR STE B, MOUNT LAUREL, NJ, 08054-1730
📞 (724) 570-5852
NPI 1760251292
✓ OIG Clear

1 PHLEBOTOMY LLC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 727 BAKER ST, REIDSVILLE, NC, 27320-2701
📞 (984) 322-1070
NPI 1821781063
✓ OIG Clear

1 STIKK MOBILE RICHMOND

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 1121 STAINBACK ST, PETERSBURG, VA, 23803-3969
📞 (318) 512-0170
NPI 1194834028
✓ OIG Clear

100 PLAZA CLINICAL LAB INC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 100 UCLA MEDICAL PLZ, LOS ANGELES, CA, 90024-6970
📞 (310) 208-0099
NPI 1790804227
✓ OIG Clear

1120 BRIGHTON MEDICAL GROUP

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 1120 BRIGHTON BEACH AVE, BROOKLYN, NY, 11235
📞 (718) 368-3179
NPI 1205794815
✓ OIG Clear

1420 LABS LLC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 314 W RILEY FUZZEL RD BLDG 3, SPRING, TX, 77373-8396
📞 (281) 940-4628
NPI 1366057630
✓ OIG Clear

1CARE MEDICAL DIAGNOSTICS

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 685 STONE RD UNIT 7-12, BENICIA, CA, 94510-1055
📞 (973) 868-9864
NPI 1891009825
✓ OIG Clear

1CHINOMED INC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 400 E STATE ST, ATHENS, OH, 45701-1856
📞 (888) 881-6367
NPI 1558008813
✓ OIG Clear

1LAB DIAGNOSTICS LLC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 7803 SW ELLIPSE WAY BLDG B7, STUART, FL, 34997-7260
📞 (304) 657-9011
NPI 1992631261
✓ OIG Clear

1LAB INC.

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 6069 N 1ST ST STE 103, FRESNO, CA, 93710-5467
📞 (559) 431-8900
NPI 1588456727
✓ OIG Clear

1PROMED SOLUTIONS LLC

Licensed & Credentialed Suppliers — Durable Medical Equipment & Medical Supplies (332B00000X)
📍 4524 GUN CLUB RD STE 210, WEST PALM BEACH, FL, 33415-2815
📞 (470) 487-0309
NPI 1891492112
✓ OIG Clear

1ST CAPITAL BIO LAB, LLC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 38340 INNOVATION CT # E-511, MURRIETA, CA, 92563-2621
📞 (951) 837-8140
NPI 1952859092
✓ OIG Clear

1ST CHOICE HEALTHCARE SERVICES, LLC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 123 E MAIN ST, HOOKERTON, NC, 28538-9667
📞 (252) 653-5299
NPI 1871443465
✓ OIG Clear

1ST CHOICE LAB SERVICES LLC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 8401 MAYLAND DR STE A, RICHMOND, VA, 23294-4648
📞 (276) 260-5424
NPI 1275867558
✓ OIG Clear

1ST CHOICE MEDICAL EQUIPMENT INC

CLIA-Certified Diagnostic Medical & Pathology Laboratory (291U00000X)
📍 9420 RESEDA BLVD, NORTHRIDGE, CA, 91324-2932
📞 (818) 448-6527
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