1 Common Hand Surgery Diagnosis Codes ICD-10

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1 Common Hand Surgery Diagnosis Codes ICD-10 This is a list of common codes for diagnoses about the hand and wrist. This is not an exhaustive list of all upper extremity codes. FORMAT of ICD-10: ICD-10 codes have 3-7 digits (varies per code/diagnosis) Format is XXX.XXXX First is letter, second is number, remainder are letter or number; not case-sensitive Some codes require a seventh character but not a fifth or sixth, so a placeholder X is used (example: T84.9xxA) FORMAT OF THIS LIST: For each ICD-10 code, use the list immediately below the code to complete the code ( fill in the blanks ). One must carry each code to the last character listed, unless otherwise stated. The leftmost column lists the similar ICD-9 Code. This is not always a direct translation so read the description and use the correct code. Abbreviations for Fingers: R=right, L=left; 1=thumb, 2=index, 3=long/middle, 4=ring, 5=small/little. Example: Initial encounter for a grade 3 open left Colles fracture = S52.532C S52.5 Fracture of lower end of radius FIFTH CHARACTER 0=unspecified, 1=radial styloid, 2=torus, 3=Colles, 4=Smith s, 5=Other Extraarticular, 6=Barton s, 7=Other Intraarticular, 9=Other Fracture ; FOR RADIAL STYLOID: 1=displaced right, 2=displaced left, 3=displaced unspecified, 4=nondisplaced right, 5=nondisplaced left, 6=nondisplaced unspecified SEVENTH CHARACTER Initial fracture encounter (A=closed, B=open grade 1 or 2, C= open grade 3 ); Subsequent encounters: Routine Healing (D=closed, E=open 1 or 2, F=open 3), Delayed Healing (G=closed, H=open 1 or 2, J=open 3), Nonunion (K=closed, M=open 1 or 2, N=open 3), Malunion (P=closed, Q=open 1 or 2, R=open 3); S=Sequela for torus: Initial fracture encounter (A=closed); Subsequent encounters: D=Routine Healing, G=Delayed Healing, K=Nonunion, P=Malunion; S=Sequela For some fractures, the seventh character list is lengthy as seen here; for other fractures the list is more concise; use the list shown with each code. A - initial encounter for closed fracture B - initial encounter for open fracture type I or II C - initial encounter for open fracture type IIIA, IIIB, or IIIC D - subsequent encounter for closed fracture with routine healing E - subsequent encounter for open fracture type I or II with routine healing F - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing G - subsequent encounter for closed fracture with delayed healing H - subsequent encounter for open fracture type I or II with delayed healing J - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing K - subsequent encounter for closed fracture with nonunion M - subsequent encounter for open fracture type I or II with nonunion N - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion P - subsequent encounter for closed fracture with malunion Q - subsequent encounter for open fracture type I or II with malunion R - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion S - sequela 1 Common Hand Surgery Diagnosis Codes ICD-10

2 Fractures Distal Radius Fractures Radial Head/Neck Fractures Scaphoid Fractures Other Carpal Bone Fractures ICD-9 Code ICD-10 Codes 813 S52.5 _ Fracture of lower end of radius FIFTH CHARACTER 0=unspecified, 1=radial styloid, 2=torus, 3=Colles, 4=Smith s, 5=Other Extraarticular, 6=Barton s, 7=Other Intraarticular, 9=Other Fracture ; FOR RADIAL STYLOID: 1=displaced right, 2=displaced left, 3=displaced unspecified, 4=nondisplaced right, 5=nondisplaced left, 6=nondisplaced unspecified SEVENTH CHARACTER Initial fracture encounter (A=closed, B=open grade 1 or 2, C= open grade 3); Subsequent encounters: Routine Healing (D=closed, E=open 1 or 2, F=open 3) Delayed Healing (G=closed, H=open 1 or 2, J=open 3), Nonunion (K=closed, M=open 1 or 2, N=open 3), Malunion (P=closed, Q=open 1 or 2, R=open 3); S=Sequela for torus: Initial fracture encounter (A=closed); Subsequent encounters: D=Routine Healing, G=Delayed Healing, K=Nonunion, P=Malunion; S=Sequela S59.2 _ Physeal fracture of lower end of radius FIFTH CHARACTER 0=unspecified, 1=Salter-Harris I, 2=S-H II, 3=S-H III, 4=S-H IV, 9=other SEVENTH CHARACTER A=Initial fracture encounter; Subsequent encounters: D=Routine Healing, G=Delayed Healing, K=Nonunion, P=Malunion; S=Sequela S52.6 _ Fracture of lower end of ulna FIFTH CHARACTER 0=unspecified, 1=ulnar styloid, 2=torus, 9=other ; FOR ULNAR STYLOID: 1=displaced right, 2=displaced left, 3=displaced unspecified, 4=nondisplaced right, 5=nondisplaced left, 6=nondisplaced unspecified SEVENTH CHARACTER Initial fracture encounter (A=closed, B=open grade 1 or 2, C= open grade 3); Subsequent encounters: Routine Healing (D=closed, E=open 1 or 2, F=open 3) Delayed Healing (G=closed, H=open 1 or 2, J=open 3), Nonunion (K=closed, M=open 1 or 2, N=open 3), Malunion (P=closed, Q=open 1 or 2, R=open 3); S=Sequela for torus: Initial fracture encounter (A=closed); Subsequent encounters: D=Routine Healing, G=Delayed Healing, K=Nonunion, P=Malunion; S=Sequela S52.12 Fracture of head of radius SIXTH CHARACTER 1=displaced right, 2=displaced left, 3=displaced unspecified, 4=nondisplaced right, 5=nondisplaced left, 6=nondisplaced unspecified SEVENTH CHARACTER Initial fracture encounter (A=closed, B=open grade 1 or 2, C= open grade 3); Subsequent encounters: Routine Healing (D=closed, E=open 1 or 2, F=open 3) Delayed Healing (G=closed, H=open 1 or 2, J=open 3), Nonunion (K=closed, M=open 1 or 2, N=open 3), Malunion (P=closed, Q=open 1 or 2, R=open 3); S=Sequela S52.13 Fracture of neck of radius SIXTH CHARACTER 1=displaced right, 2=displaced left, 3=displaced unspecified, 4=nondisplaced right, 5=nondisplaced left, 6=nondisplaced unspecified SEVENTH CHARACTER Initial fracture encounter (A=closed, B=open grade 1 or 2, C= open grade 3); Subsequent encounters: Routine Healing (D=closed, E=open 1 or 2, F=open 3) Delayed Healing (G=closed, H=open 1 or 2, J=open 3), Nonunion (K=closed, M=open 1 or 2, N=open 3), Malunion (P=closed, Q=open 1 or 2, R=open 3); S=Sequela S62.00 Unspecified fracture of navicular [scaphoid] bone of wrist S62.0 _ Specific Fracture of navicular [scaphoid] bone of wrist FIFTH CHARACTER 1=distal pole, 2=middle third, 3=proximal third SIXTH CHARACTER 1=displaced right, 2=displaced left, 3=displaced unspecified side; 4=nondisplaced R, 5=nondisplaced L, 6=nondisplaced unspecified side 814 S62.10 Fracture of unspecified carpal bone of wrist (not scaphoid) S62.1 _ Fracture of specific carpal bone of wrist (not scaphoid) FIFTH CHARACTER 1=triquetrum, 2=lunate, 3=capitate, 4=hamate body, 5=hamate hook, 6=pisiform, 7=trapezium, 8=trapezoid SIXTH CHARACTER 1=displaced right, 2=displaced left, 3=displaced unspecified, 4=nondisplaced right, 5=nondisplaced left, 6=nondisplaced unspecified 2 Common Hand Surgery Diagnosis Codes ICD-10

3 Metacarpal Fractures Phalanx Fractures Fractures 815 S62.20 Unspecified fracture of first metacarpal bone S62.21 Bennett s fracture SIXTH CHARACTER 1=right, 2=left, 3=unspecified S62.2 _ Fracture of first metacarpal bone FIFTH CHARACTER 2=Rolando s, 3=base, 4=shaft, 5=neck SIXTH CHARACTER 1=displaced right, 2=displaced left, 3=displaced unspecified side, 4=nondisplaced right, 5=nondisplaced left, 6=nondisplaced unspecified side S62.29 Other fracture of first metacarpal bone S62.3 _ Fracture of other and unspecified metacarpal bone FIFTH CHARACTER 0=unspecified, 1=displaced base, 2=displaced shaft, 3=displaced neck, 4=nondisplaced base, 5=nondisplaced shaft, 6=nondisplaced neck, 9=other 816 S62.50 Fracture of unspecified phalanx of thumb S62.5 _ Fracture of specific phalanx of thumb FIFTH CHARACTER 1=proximal phalanx, 2=distal phalanx SIXTH CHARACTER 1=displaced right, 2=displaced left, 3=displaced unspecified side, 4=nondisplaced right, 5=nondisplaced left, 6=nondisplaced unspecified side S62.60 Fracture of unspecified phalanx of finger S62.6 _ Fracture of specific phalanx of finger FIFTH CHARACTER 1=displaced proximal phalanx, 2=displaced middle phalanx, 3=displaced distal phalanx, 4=nondisplaced proximal phalanx, 5=nondisplaced middle phalanx, 6=nondisplaced distal phalanx 3 Common Hand Surgery Diagnosis Codes ICD-10

4 Joints/Sprains Subluxations, Dislocations, Sprains of Digits Joint Derangement Wrist Subluxation/ Dislocation 834 S63.2 _ Subluxation and dislocation of other finger(s) (not thumb) FIFTH CHARACTER Subluxation: 0=unspecified, 1=MPJ, 2=any IPJ, 3=PIP, 4=DIP; Dislocation: 5=unspecified, 6=MPJ, 7=any IPJ, 8=PIP, 9=DIP S63.4 _ Traumatic rupture of ligament of finger at metacarpophalangeal and interphalangeal joint(s) (MP or IP is not specified) FIFTH CHARACTER 0=unspecified ligament, 1=collateral ligament, 2=palmar ligament, 3=volar plate, 9=other ligament S63.6 _ Other and unspecified sprain of thumb/finger(s) FIFTH CHARACTER THUMB: 0=unspecified, 2=IP, 4=MP, 8=other; FINGER: 1=unspecified, 3=IP, 5=MP, 9=other SIXTH CHARACTER THUMB: 1=R1, 2=L1, 9=unspecified; FINGER: 0=R2, 1=L2, 2=R3, 3=L3, 4=R4, 5=L4, 6=R5, 7=L5, 8=OTHER, 9=UNSPECIFIED 718 M24. _ Other specific joint derangements of elbow, wrist, hand FOURTH CHARACTER 0=loose body, 1=other articular cartilage disorders, 2=disorder of ligament, 3=pathologic dislocation, 4=recurrent dislocation, 5=contracture, 6=ankylosis, 8=other FIFTH CHARACTER 2=elbow, 3=wrist, 4=hand M12.53_ Traumatic arthropathy, wrist M93.1 Kienbock s disease of adults 833 S63.0 _ Subluxation and dislocation of wrist joints FIFTH CHARACTER 0=unspecified, 1=DRUJ, 2=radiocarpal, 3=midcarpal, 4=thumb CMC, 5=other CMC, 6=proximal metacarpal, 7=distal ulna, 9=other SIXTH CHARACTER Subluxation: 1=right, 2=left, 3=unspecified; Dislocation: 4=right, 5=left, 6=unspecified Shoulder Impingement M75.4_ Impingement syndrome of shoulder Masses Ganglions Masses D21.1_ Benign neoplasm of connective and other soft tissue of upper limb FIFTH CHARACTER 0=unspecified, 1=right. 2=left D49.2 Neoplasm of unspecified behavior of bone, soft tissue, and skin M67.4 Ganglion (joint or tendon) FIFTH CHARACTER 0=unspecified site, 2=elbow, 3=wrist, 4=hand, 8=other site, 9=multiple sites SIXTH CHARACTER ONLY IF FIFTH CHARACTER IS 2, 3, or 4, must use SIXTH CHARACTER: 1=right, 2=left, 9=unspecified 4 Common Hand Surgery Diagnosis Codes ICD-10

5 Thumb CMC Osteoarthritis Rheumatoid Arthritis Arthritis M18. Osteoarthritis of first carpometacarpal joint FOURTH CHARACTER 0=bilateral primary, 1=unilateral primary, 2=bilateral post-traumatic, 3=unilateral post-traumatic, 4=other bilateral secondary, 5=other unilateral secondary, 9=unspecified FIFTH CHARACTER use only for unilateral FOURTH character: 0=unspecified, 1=right, 2=left M19.0 _ Primary osteoarthritis, elbow, wrist, hand FOURTH CHARACTER 0=primary, 1=post-traumatic FIFTH CHARACTER 2=elbow, 3=wrist, 4=hand M15._ Polyosteoarthritis FOURTH CHARACTER 0=primary generalized osteoarthritis, 1=Heberden s nodes, 2=Bouchard s nodes, 3=secondary multiple arthritis (post-traumatic), 4=erosive, 5=other, 9=unspecified Rheumatoid arthritis M05.4 Rheumatoid myopathy with rheumatoid arthritis M05.5 Rheumatoid polyneuropathy with rheumatoid arthritis M05.7 Rheumatoid arthritis with rheumatoid factor without organ or systems involvement M05.8 Other rheumatoid arthritis with rheumatoid factor M05.9 Rheumatoid arthritis with rheumatoid factor, unspecified M06.0 Rheumatoid arthritis without rheumatoid factor SIXTH CHARACTER ONLY IF FIFTH CHARACTER IS 1,2,3 or 4, must use SIXTH CHARACTER: 1=right, 2=left, 9=unspecified M06.2 Rheumatoid bursitis M06.3 Rheumatoid nodule M06.80 Other specified rheumatoid arthritis M06.9 Rheumatoid arthritis, unspecified 5 Common Hand Surgery Diagnosis Codes ICD-10

6 Tendon Injury Contusion Injury Crush Wounds Amputation Spontaneous Tendon Rupture Injury/Crush 883 S66. Injury of muscle, fascia and tendon at wrist and hand level FOURTH CHARACTER 0=thumb flexor, 1=finger flexor, 2=thumb extensor, 3=finger extensor, 4=thumb intrinsic, 5=finger intrinsic, 8=other, 9=unspecified FIFTH CHARACTER 0=unspecified, 1=strain, 2=laceration, 9=other SIXTH CHARACTER THUMB: 1=R1, 2=L1, 9=unspecified; FINGER: 0=R2, 1=L2, 2=R3, 3=L3, 4=R4, 5=L4, 6=R5, 7=L5, 8=OTHER, 9=UNSPECIFIED 923 S60. Contusion of wrist, hand and fingers FOURTH CHARACTER 0=finger without nail damage, 1=finger with nail damage, 2=wrist/hand FIFTH CHARACTER FINGERS: 0=unspecified, 1=thumb, 2=index, 3=middle, 4=ring, 5=small; WRIST/HAND: 1=wrist, 2=hand S60. Abrasion/Foreign Body/Bite of wrist, hand and fingers FOURTH CHARACTER 3=thumb, 4=fingers, 5=hand FIFTH CHARACTER 1=abrasion, 2=blister, 5=foreign body, 6=nonvenomous insect bite, 7=other bite SIXTH CHARACTER THUMB or HAND: 1=right, 2=left, 9=unspecified; FINGER: 0=R2, 1=L2, 2=R3, 3=L3, 4=R4, 5=L4, 6=R5, 7=L5, 8=OTHER, 9=UNSPECIFIED S67. Crushing injury of wrist, hand and fingers FOURTH CHARACTER 0=thumb, 1=fingers, 2=hand, 3=wrist, 4=wrist & hand, 9=unspecified FIFTH CHARACTER FINGERS: 0=unspecified, 9=specific finger clarified with Sixth Character; THUMB, WRIST, HAND: 0=unspecified, 1=right, 2=left SIXTH CHARACTER FINGERS: 0=R2, 1=L2, 2=R3, 3=L3, 4=R4, 5=L4, 6=R5, 7=L5, 8=other; THUMB, WRIST, HAND: no Sixth Character used 882/883 S61. Open wound of wrist, hand and fingers FOURTH CHARACTER 0=thumb, no nail; 1=thumb with nail; 2=finger, no nail; 3=finger with nail; 4=hand; 5=wrist FIFTH CHARACTER 0=unspecified, 1=laceration without FB, 2=laceration with FB, 3=puncture without FB, 4=puncture with FB, 5=bite SIXTH CHARACTER FINGERS: 0=R2, 1=L2, 2=R3, 3=L3, 4=R4, 5=L4, 6=R5, 7=L5, 8=other, 9=unspecified; THUMB, WRIST, HAND: 1=right, 2=left, 9=unspecified 886 S68. Traumatic amputation FOURTH CHARACTER 0=thumb MP, 1=finger MP, 4=wrist, 5=thumb transphalangeal, 6=finger transphalangeal 7=hand transmetacarpal FIFTH CHARACTER 1=complete, 2=partial SIXTH CHARACTER FINGERS: 0=R2, 1=L2, 2=R3, 3=L3, 4=R4, 5=L4, 6=R5, 7=L5, 8=other, 9=unspecified; THUMB, WRIST, HAND: 1=right, 2=left, 9=unspecified M66.2 Spontaneous rupture of extensor tendons FIFTH CHARACTER 0=unspecified, 1=shoulder, 2=upper arm, 3=forearm, 4=hand (Sixth character not used if Fifth character is 0) M66.3 Spontaneous rupture of flexor tendons FIFTH CHARACTER 0=unspecified, 1=shoulder, 2=upper arm, 3=forearm, 4=hand (Sixth character not used if Fifth character is 0) 6 Common Hand Surgery Diagnosis Codes ICD-10

7 Epicondylitis Tendonitis M77. Epicondylitis FOURTH CHARACTER 0=medial, 1=lateral Trigger Finger dequervain s Synovitis, Tenosynovitis, Adhesions M65.3 Trigger finger FIFTH CHARACTER 0=unspecified, 1=thumb, 2=index, 3=middle, 4=ring, 5=small SIXTH CHARACTER ONLY IF FIFTH CHARACTER IS 1, 2, 3, 4, or 5 must use SIXTH CHARACTER: 1=right, 2=left, 9=unspecified M65.4 Radial styloid tenosynovitis [de Quervain] M65.8 Other synovitis and tenosynovitis FIFTH CHARACTER 0=unspecified site, 1=shoulder, 2=upper arm, 3=forearm, 4=hand, 8=other, 9=multiple sites SIXTH CHARACTER FOR SHOULDER, ARM, FOREARM, HAND: 1=right, 2=left, 9=unspecified M67.8 Other specified disorders of synovium and tendon (adhesions, etc.) FIFTH CHARACTER 0=unspecified site, 1=shoulder, 2=elbow, 3=wrist, 4=hand, 8=other, 9=multiple sites SIXTH CHARACTER FOR SHOULDER, ELBOW, WRIST, HAND: 1=synovium right, 2=synovium left, 3=tendon right, 4=tendon left, 9=unspecified Physeal Arrest Pediatrics M89.13_ Physeal arrest, forearm SIXTH CHARACTER 1= complete right distal radius, 2=complete left distal radius, 3=partial right distal radius, 4=partial left distal radius, 8=other, 9=unspecified Congenital Q69._ Polydactyly FOURTH CHARACTER 0=accessory finger(s), 1=accessory thumb(s), 9=unspecified Q70. Syndactyly FOURTH CHARACTER 0=complex, 1=simple, 4=polysyndactyly unspecified, 9=symphalangy, 3=bilateral; (Fifth character only used with Fourth character is 0 or 1) Q74.0 Other congenital malformations of upper limb(s), including shoulder girdle (no additional character needed, includes Accessory carpal bones, Macrodactyly (fingers), Madelung s deformity, Radioulnar synostosis, Triphalangeal thumb) Q74.8 Other specified congenital malformation of limb(s) ( no additional character needed, includes camptodactyly, clinodactyly, clasped thumb) Q68.1 Congenital deformity of finger(s) and hand.vc (no additional character needed, includes Spade like hand (Apert s hand)) Q71. Reduction defects of upper limb FOURTH CHARACTER 0=complete absence, 1=with hand present, 2=absence of forearm & hand, 3=absence of hand & finger, 4=longitudinal reduction defect of radius (clubhand), 5=longitudinal reduction defect of ulna, 6=lobster claw, 9=unspecified , 3=bilateral Q71.8 Other reduction defects of upper limb FIFTH CHARACTER 1=congenital shortening, 9=other reduction defects SIXTH CHARACTER 1=right, 2=left, 3=bilateral, 9=unspecified 7 Common Hand Surgery Diagnosis Codes ICD-10

8 Deforrmity Implant Infection Osteomyelitis Abscess/Cellulitis Infections L02.51_ Cutaneous abscess of hand L03.01_ Cellulitis of finger (Felon, Paronychia) L03.02_ Acute lymphangitis of finger L03.11_ Cellulitis of other parts of limb (not fingers) SIXTH CHARACTER 3=right, 4=left, 9=unspecified L03.12_ Acute lymphangitis of other parts of limb (not fingers) SIXTH CHARACTER 3=right, 4=left, 9=unspecified M00.03 Staphylococcal arthritis, wrist or hand FIFTH CHARACTER 3=wrist, 4=hand 730 M86. _ Osteomyelitis FOURTH CHARACTER 0=acute hematogenous 1=other acute 2=subacute 3=chronic multifocal 4=chronic multifocal with draining sinus, 5=other chronic hematogenous, 6=other chronic FIFTH CHARACTER 0=unspecified, 1=shoulder, 2=humerus, 3=radius/ulna, 4=hand, 8=other site, 9=multiple sites M86.8x_ Other osteomyelitis (Brodie s abscess) (keep x as Fifth character) SIXTH CHARACTER 0=multiple sites, 1=shoulder, 2=upper arm, 3=forearm, 4=hand, 8=other, 9=unspecified M86.9 Osteomyelitis, unspecified T84.60_ Infection and inflammatory reaction due to internal fixation device of unspecified site T84.61_ Infection and inflammatory reaction due to internal fixation device of arm SIXTH CHARACTER 0=right humerus, 1=left humerus, 2=right radius, 3=left radius, 4=right ulna, 5=left ulna, 9=unspecified bone of arm T84.9xx_ Unspecified complication of internal orthopedic prosthetic device, implant and graft (keep xx as Fifth and Sixth characters) (no fifth or sixth character so use xx) T81.4xx_ Infection following a procedure (keep xx as Fifth and Sixth characters) Deformity (no fifth or sixth character so use xx) M20.0 Deformity of finger(s) FIFTH CHARACTER 0=unspecified deformity, 1=mallet, 2=boutonniere, 3=swan-neck, 9=other deformity Dupy Nails Scar M72.0 Palmar fascial fibromatosis [Dupuytren] L60._ Nail disorders FOURTH CHARACTER 0=ingrowing, 1=oncholysis, 2=onchogryphosis, 3=nail dystrophy, 4=Beau s lines, 5=yellow nail syndrome, 8=other nail disorders, 9=unspecified L90.5 Scar conditions and fibrosis of skin (cicatrix, fibrosis, scar) (excludes hypertrophic scar/keloid) L91.0 Hypertrophic scar (keloid) 8 Common Hand Surgery Diagnosis Codes ICD-10

9 Median Nerve Ulnar Nerve Nerves G56.0_ Carpal tunnel syndrome G56.1_ Other lesions of median nerve (pronator, etc.) G56.2_ Lesion of ulnar nerve Radial Nerve Nerve Injury Pain CRPS G56.3_ Lesion of radial nerve 955 S64. Injury of nerves at wrist and hand level FOURTH CHARACTER 0=ulnar nerve, 1=median nerve, 2=radial nerve, 3=digital nerve of thumb, 4=digital nerve of finger, 9=unspecified, 9=specific finger (MUST use 9 if FOURTH CHARACTER is 4) SIXTH CHARACTER used for specific finger (SIXTH CHARACTER used ONLY if FIFTH CHARACTER is 9): 0=R2, 1=L2, 2=R3, 3=L3, 4=R4, 5=L4, 6=R5, 7=L5, 8=OTHER Pain S64.8X Injury of other nerves at wrist and hand level 719 M79.6 Pain in limb, hand, fingers FIFTH CHARACTER 0=unspecified site, 2=upper arm, 3=forearm, 4=hand/fingers SIXTH CHARACTER For unspecified site: 1=right arm, 2=left arm, 3=unspecified arm, 9=unspecified limb For upper arm or forearm: 1=right, 2=left, 9=unspecified For hand/fingers: 1=right hand, 2=left hand, 3=unspecified hand, 4=right fingers, 5=left fingers, 6=unspecified fingers M25.5 Pain in joint FIFTH CHARACTER 0=unspecified joint, 1=shoulder, 2=elbow, 3=wrist (for hand or fingers use M79.6) SIXTH CHARACTER SIXTH CHARACTER used ONLY if FIFTH CHARACTER is 1, 2, 3: 1=right, 2=left, 9=unspecified R20._ Disturbances of skin sensation FOURTH CHARACTER 0=anesthesia, 1=hypoesthesia, 2=paresthesia, 3=hyperesthesia, 8=other, 9=unspecified G90.51_ Complex regional pain syndrome I of Upper Limb (CRPS I) SIXTH CHARACTER 1=right, 2=left, 3=bilateral, 9=unspecified 9 Common Hand Surgery Diagnosis Codes ICD-10