Each code consists of seven alphanumeric characters. The second through seventh characters mean the same thing within each section, but may mean different things in other sections. Each character can be any of 34 possible values the ten digits 0-9 and the 24 letters A-H,J-N and P-Z may be used in each character. The letters O and I excluded to avoid confusion with the numbers 0 and 1.[1] There are no decimals in ICD-10-PCS[2]
Of the 72,081 codes in ICD-10-PCS, 62,022 are in the first section, "Medical and surgical".[3]
| Character 1 |
Character 2 |
Character 3 |
Character 4 |
Character 5 |
Character 6 |
Character 7 |
| 0 Medical and Surgical |
Body System
00 0 Central nervous system; 01 Peripheral nervous system; 02 Heart and Great vessels; 03 Upper arteries; 044 Lower arteries; 05 Upper veins; 06 Lower veins; 07 Lymphatic and Hemic system; 08 Eye; 09 Ear, Nose, Sinus; 0B Respiratory System; 0C Mouth and Throat; 0D Gastrointestinal system; 0F Hepatobiliary System and Pancreas; 0G Endocrine system; 0H Skin and Breast; 0J Subcutaneous tissue; 0K Muscles; 0L Tendons; 0M Bursae and Ligaments; 0N Head and Facial bones; 0P Upper bones; 0Q Lower bones; 0R Upper joints; 0S Lower joints; 0T Urinary system; 0U Female reproductive system; 0V Male reproductive system; 0W Anatomical regions, General; 0X Anatomical regions, Upper extremities; 0Y Anatomical regions, Lower extremities |
Root Operation
see below |
Body Part |
Approach
0 Open; 3 Percutaneous; 4 Percutaneous Endoscopic; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic; F Via Natural or Artificial Opening Endoscopic with Percutaneous Endoscopic Assistance; X External |
Device |
Qualifier |
| 1 Obstetrics |
10 Pregnancy |
102 Change; 109 Drainage; 10A Abortion; 10D Extraction; 10E Delivery; 10H Insertion; 10J Inspection; 10P Removal; 10Q Repair; 10S Reposition; 10T Resection; 10Y Transplantation |
Body Part |
Approach |
Device |
Qualifier |
| 2 Placement |
2W Anatomical Regions; 2Y Anatomical Orifices |
Root Operation
2?0 Change; 2?1 Compression; 2?2 Dressing; 2?3 Immobilization; 2?4 Packing; 2?5 Removal; 2?6 Traction |
Body Region/Orifice |
Approach |
Device |
Qualifier |
| 3 Administration |
30 Circulatory; 3CIndwelling Device; 3E Physiological Systems and Anatomical Regions |
Root Operation |
Body System/Region |
Approach |
Substance |
Qualifier |
| 4 Measurement and Monitoring |
4A Physiological Systems; 4B Physiological Devices |
Root Operation |
Body System |
Approach |
Function |
Qualifier |
| 5 Extracorporeal Assistance and Performance |
5A Physiological Systems |
Root Operation |
Body System |
Duration |
Function |
Qualifier |
| 6 Extracorporeal Therapies |
6A Physiological Systems |
Root Operation
6A0 Atmospheric control; 6A1 Decompression; 6A2 Electromagnetic therapy; 6A3 Hyperthermia; 6A4 Hypothermia; 6A5 Pheresis; 6A6 Phototherapy; 6A7 Ultrasound therapy; 6A8 Ultraviolet light therapy; 6A9 Shock wave therapy |
Body System |
Duration |
Qualifier |
Qualifier |
| 7 Osteopathic |
7W |
7W0 |
Body Region |
Approach |
Method |
Qualifier |
| 8 Other Procedures |
8C Indwelling Device; 8E Physiological Systems and Anatomical Regions |
Root Operation |
Body Region |
Approach |
Method |
Qualifier |
| 9 Chiropractic |
9W |
9WB |
Body Region |
Approach |
Method |
Qualifier |
| B Imaging |
Body System
0 Central Nervous System; 2 Heart; 3 Upper Arteries; 4 Lower Arteries; 5 Veins; 7 Lymphatic System; 8 Eye; 9 Ear, Nose, Mouth and Throat; B Respiratory System; D Gastrointestinal System; F Hepatobiliary System and Pancreas; G Endocrine System; H Skin, Subcutaneous Tissue and Breast; L Connective Tissue; N Skull and Facial Bones; P Non-Axial Upper Bones; Q Non-Axial Lower Bones; R Axial Skeleton, Except Skull and Facial Bones; T Urinary System; U Female Reproductive System; V Male Reproductive System; W Anatomical Regions; Y Fetus and Obstetrical |
Root Type |
Body Part |
Contrast
0=high osmolar contrast; 1=low osmolar contrast; z=other contrast |
Qualifier |
Qualifier |
| C Nuclear medicine |
Body System
0 Central Nervous System; 2 Heart; 5 Veins; 7 Lymphatic and Hematologic System; 8 Eye; 9 Ear, Nose, Mouth and Throat; B Respiratory System; D Gastrointestinal System; F Hepatobiliary System and Pancreas; G Endocrine System; H Skin, Subcutaneous Tissue and Breast; P Musculoskeletal System; T Urinary System; V Male Reproductive System; W Anatomical Regions |
Root Type |
Body Part |
Radionuclide |
Qualifier |
Qualifier |
| D Radiation oncology |
Body System
0 Central and Peripheral Nervous System; 7 Lymphatic and Hematologic System; 8 Eye; 9 Ear, Nose, Mouth and Throat; B Respiratory System; D Gastrointestinal System; F Hepatobiliary System and Pancreas; G Endocrine System; H Skin; M Breast; P Musculoskeletal System; T Urinary System; U Female Reproductive System; V Male Reproductive System; W Anatomical Regions |
Root Type |
Body Part |
Modality Qualifier |
Isotope |
Qualifier |
| F Physical rehabilitation and Diagnostic Audiology |
F0 Rehabilitation; F1 Diagnostic Audiology |
Root Type |
Body System & Region |
Type Qualifier |
Equipment |
Qualifier |
| G Mental health |
GZ None |
Root Type
GZ1 Psychological tests; GZ2 Crisis intervention; GZ3 Medication management; GZ5 Individual psychotherapy; GZ6 Counseling; GZ7 Family psychotherapy; GZB Electroconvulsive therapy; GZC Biofeedback; GZF Hypnosis; GZG Narcosynthesis; GZH Group psychotherapy; GZJ Light therapy |
Type Qualifier |
Qualifier |
Qualifier |
Qualifier |
| H Substance abuse Treatment |
HZ None |
Root Type |
Type Qualifier |
Qualifier |
Qualifier |
Qualifier |
