Appendix M: Tooth Identification

The following tables provide valid value requirements for DC047 – Tooth Number, DC048 – Dental Quadrant, and DC049 – Tooth Surface. This information was sourced from Appendix K – External Code Sources, Dental Provider Specialty Codes, Tooth Surface, Tooth Number, and Dental Quadrant Definitions.

Page Contents

Tooth Number or Letter Identification

The Tooth Numbering System tables support DC047 – Tooth Number or Letter Identification.

Permanent Tooth Number System

01 = 3rd Molar (wisdom tooth) - Upper Right

17 = 3rd Molar (wisdom tooth) - Lower Left

02 = 2nd Molar (12-year molar) - Upper Right

18 = 2nd Molar (12-year molar) - Lower Left

03 = 1st Molar (6-year molar) - Upper Right

19 = 1st Molar (6-year molar) - Lower Left

04 = 2nd Bicuspid (2nd premolar) - Upper Right

20 = 2nd Bicuspid (2nd premolar) - Lower Left

05 = 1st Bicuspid (1st premolar) - Upper Right

21 = 1st Bicuspid (1st premolar) - Lower Left

06 = Cuspid (canine/eye tooth) - Upper Right

22 = Cuspid (canine/eye tooth) - Lower Left

07 = Lateral incisor - Upper Right

23 = Lateral incisor - Lower Left

08 = Central incisor - Upper Right

24 = Central incisor - Lower Left

09 = Central incisor - Upper Left

25 = Central incisor - Lower Right

10 = Lateral incisor - Upper Left

26 = Lateral incisor - Lower Right

11 = Cuspid (canine/eye tooth) - Upper Left

27 = Cuspid (canine/eye tooth) - Lower Right

12 = 1st Bicuspid (1st premolar) - Upper Left

28 = 1st Bicuspid (1st premolar) - Lower Right

13 = 2nd Bicuspid (2nd premolar) - Upper Left

29 = 2nd Bicuspid (2nd premolar) - Lower Right

14 = 1st Molar (6-year molar) - Upper Left

30 = 1st Molar (6-year molar) - Lower Right

15 = 2nd Molar (12-year molar) - Upper Left

31 = 2nd Molar (12-year molar) - Lower Right

16 = 3rd Molar (wisdom tooth) - Upper Left

32 = 3rd Molar (wisdom tooth)  - Lower Right

Primary Tooth Numbering System

A = 2nd Molar - Upper Right

K = 2nd Molar - Lower Left

B = 1st Molar - Upper Right

L = 1st Molar - Lower Left

C = Cuspid - Upper Right

M = Cuspid - Lower Left

D = Lateral Incisor - Upper Right

N = Lateral Incisor - Lower Left

E = Central Incisor - Upper Right

O = Central Incisor - Lower Left

F = Central Incisor - Upper Left

P = Central Incisor - Lower Right

G = Lateral Incisor - Upper Left

Q = Lateral Incisor - Lower Right

H = Cuspid - Upper Left

R = Cuspid - Lower Right

I = 1st Molar - Upper Left

S = 1st Molar - Lower Right

J = 2nd Molar - Upper Left

T = 2nd Molar - Lower Right


Universal Tooth Numbering System by Quadrant

Permanent Dentition
Upper RightUpper Left
01020304050607080910111213141516
32313029282726252423222120191817
Lower RightLower Left
Primary Dentition
Upper RightUpper Left



ABCDEFGHIJ





TSRQPONMLK


Lower RightLower Left


Dental Quadrants

The Dental Quadrant table supports DC048 – Dental Quadrants.

ValueDefinition

00

Entire Oral Cavity

01

Maxillary Arch

02

Mandibular Arch

10

Upper Right Quadrant

20

Upper Left Quadrant

30

Lower Left Quadrant

40

Lower Right Quadrant

LA

Lower Anterior

UR

Upper Right Quadrant

UL

Upper Left Quadrant

LR

Lower Right Quadrant

LL

Lower Left Quadrant

BR

Bottom Right Quadrant

TR

Top Right Quadrant

TL

Top Left Quadrant

BL

Bottom Left Quadrant


Tooth Surface

The Tooth Surface table supports DC049 – Tooth Surface.

ValueDefinition

B

Buccal

D

Distal

F

Facial (or Labial)

I

Incisal

L

Lingual

M

Mesial

O

Occlusal