ICD-10 · PDGM grouping
M91-M94 — Chondropathies
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in range
212
No clinical group
65
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
147 of the 212 codes in M91-M94 group to Musculoskeletal Rehabilitation. A further 65 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in M91-M94
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
Every code in M91-M94
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| M910 | Juvenile osteochondrosis of pelvis | E | Can lead a claim |
| M9110 | Juvenile osteochondrosis of head of femur, unspecified leg | None | Cannot lead a claim |
| M9111 | Juvenile osteochondrosis of head of femur, right leg | E | Can lead a claim |
| M9112 | Juvenile osteochondrosis of head of femur, left leg | E | Can lead a claim |
| M9120 | Coxa plana, unspecified hip | None | Cannot lead a claim |
| M9121 | Coxa plana, right hip | E | Can lead a claim |
| M9122 | Coxa plana, left hip | E | Can lead a claim |
| M9130 | Pseudocoxalgia, unspecified hip | None | Cannot lead a claim |
| M9131 | Pseudocoxalgia, right hip | E | Can lead a claim |
| M9132 | Pseudocoxalgia, left hip | E | Can lead a claim |
| M9140 | Coxa magna, unspecified hip | None | Cannot lead a claim |
| M9141 | Coxa magna, right hip | E | Can lead a claim |
| M9142 | Coxa magna, left hip | E | Can lead a claim |
| M9180 | Other juvenile osteochondrosis of hip and pelvis, unsp leg | None | Cannot lead a claim |
| M9181 | Other juvenile osteochondrosis of hip and pelvis, right leg | E | Can lead a claim |
| M9182 | Other juvenile osteochondrosis of hip and pelvis, left leg | E | Can lead a claim |
| M9190 | Juvenile osteochondrosis of hip and pelvis, unsp, unsp leg | None | Cannot lead a claim |
| M9191 | Juvenile osteochondrosis of hip and pelvis, unsp, right leg | E | Can lead a claim |
| M9192 | Juvenile osteochondrosis of hip and pelvis, unsp, left leg | E | Can lead a claim |
| M9200 | Juvenile osteochondrosis of humerus, unspecified arm | None | Cannot lead a claim |
| M9201 | Juvenile osteochondrosis of humerus, right arm | E | Can lead a claim |
| M9202 | Juvenile osteochondrosis of humerus, left arm | E | Can lead a claim |
| M9210 | Juvenile osteochondrosis of radius and ulna, unspecified arm | None | Cannot lead a claim |
| M9211 | Juvenile osteochondrosis of radius and ulna, right arm | E | Can lead a claim |
| M9212 | Juvenile osteochondrosis of radius and ulna, left arm | E | Can lead a claim |
| M92201 | Unspecified juvenile osteochondrosis, right hand | E | Can lead a claim |
| M92202 | Unspecified juvenile osteochondrosis, left hand | E | Can lead a claim |
| M92209 | Unspecified juvenile osteochondrosis, unspecified hand | None | Cannot lead a claim |
| M92211 | Osteochondrosis (juvenile) of carpal lunate, right hand | E | Can lead a claim |
| M92212 | Osteochondrosis (juvenile) of carpal lunate, left hand | E | Can lead a claim |
| M92219 | Osteochondrosis (juvenile) of carpal lunate, unsp hand | None | Cannot lead a claim |
| M92221 | Osteochondrosis (juvenile) of metacarpal heads, right hand | E | Can lead a claim |
| M92222 | Osteochondrosis (juvenile) of metacarpal heads, left hand | E | Can lead a claim |
| M92229 | Osteochondrosis (juvenile) of metacarpal heads, unsp hand | None | Cannot lead a claim |
| M92291 | Other juvenile osteochondrosis, right hand | E | Can lead a claim |
| M92292 | Other juvenile osteochondrosis, left hand | E | Can lead a claim |
| M92299 | Other juvenile osteochondrosis, unspecified hand | None | Cannot lead a claim |
| M9230 | Other juvenile osteochondrosis, unspecified upper limb | None | Cannot lead a claim |
| M9231 | Other juvenile osteochondrosis, right upper limb | E | Can lead a claim |
| M9232 | Other juvenile osteochondrosis, left upper limb | E | Can lead a claim |
| M9240 | Juvenile osteochondrosis of patella, unspecified knee | None | Cannot lead a claim |
| M9241 | Juvenile osteochondrosis of patella, right knee | E | Can lead a claim |
| M9242 | Juvenile osteochondrosis of patella, left knee | E | Can lead a claim |
| M92501 | Unspecified juvenile osteochondrosis, right leg | E | Can lead a claim |
| M92502 | Unspecified juvenile osteochondrosis, left leg | E | Can lead a claim |
| M92503 | Unspecified juvenile osteochondrosis, bilateral leg | E | Can lead a claim |
| M92509 | Unspecified juvenile osteochondrosis, unspecified leg | None | Cannot lead a claim |
| M92511 | Juvenile osteochondrosis of proximal tibia, right leg | E | Can lead a claim |
| M92512 | Juvenile osteochondrosis of proximal tibia, left leg | E | Can lead a claim |
| M92513 | Juvenile osteochondrosis of proximal tibia, bilateral | E | Can lead a claim |
| M92519 | Juvenile osteochondrosis of proximal tibia, unspecified leg | None | Cannot lead a claim |
| M92521 | Juvenile osteochondrosis of tibia tubercle, right leg | E | Can lead a claim |
| M92522 | Juvenile osteochondrosis of tibia tubercle, left leg | E | Can lead a claim |
| M92523 | Juvenile osteochondrosis of tibia tubercle, bilateral | E | Can lead a claim |
| M92529 | Juvenile osteochondrosis of tibia tubercle, unspecified leg | None | Cannot lead a claim |
| M92591 | Other juvenile osteochon of tibia and fibula, right leg | E | Can lead a claim |
| M92592 | Other juvenile osteochondrosis of tibia and fibula, left leg | E | Can lead a claim |
| M92593 | Other juvenile osteochon of tibia and fibula, bilateral | E | Can lead a claim |
| M92599 | Other juvenile osteochon of tibia and fibula, unsp leg | None | Cannot lead a claim |
| M9260 | Juvenile osteochondrosis of tarsus, unspecified ankle | None | Cannot lead a claim |
| M9261 | Juvenile osteochondrosis of tarsus, right ankle | E | Can lead a claim |
| M9262 | Juvenile osteochondrosis of tarsus, left ankle | E | Can lead a claim |
| M9270 | Juvenile osteochondrosis of metatarsus, unspecified foot | None | Cannot lead a claim |
| M9271 | Juvenile osteochondrosis of metatarsus, right foot | E | Can lead a claim |
| M9272 | Juvenile osteochondrosis of metatarsus, left foot | E | Can lead a claim |
| M928 | Other specified juvenile osteochondrosis | E | Can lead a claim |
| M929 | Juvenile osteochondrosis, unspecified | None | Cannot lead a claim |
| M93001 | Unsp slipped upper femoral epiphysis, right hip | E | Can lead a claim |
| M93002 | Unsp slipped upper femoral epiphysis, left hip | E | Can lead a claim |
| M93003 | Unsp slipped upper femoral epiphysis, unsp hip | None | Cannot lead a claim |
| M93004 | Unspecified slipped upper femoral epiphysis, bilateral hips | E | Can lead a claim |
| M93011 | Acute slipped upper femoral epiphysis, stable, right hip | E | Can lead a claim |
| M93012 | Acute slipped upper femoral epiphysis, stable, left hip | E | Can lead a claim |
| M93013 | Acute slipped upper femoral epiphysis, stable, unsp hip | None | Cannot lead a claim |
| M93014 | Acute slipped upper femoral epiphysis, stable, bi hips | E | Can lead a claim |
| M93021 | Chronic slipped upper femoral epiphysis, stable, right hip | E | Can lead a claim |
| M93022 | Chronic slipped upper femoral epiphysis, stable, left hip | E | Can lead a claim |
| M93023 | Chronic slipped upper femoral epiphysis, stable, unsp hip | None | Cannot lead a claim |
| M93024 | Chronic slipped upper femoral epiphysis, stable, bi hips | E | Can lead a claim |
| M93031 | Acute on chr slipped upper femoral epiphy, stable, r hip | E | Can lead a claim |
| M93032 | Acute on chr slipped upper femoral epiphy, stable, l hip | E | Can lead a claim |
| M93033 | Acute on chr slipped upper femoral epiphy, stable, unsp hip | None | Cannot lead a claim |
| M93034 | Acute on chr slipped upper femoral epiphy, stable, bi hips | E | Can lead a claim |
| M93041 | Acute slipped upper femoral epiphysis, unstable, right hip | E | Can lead a claim |
| M93042 | Acute slipped upper femoral epiphysis, unstable, left hip | E | Can lead a claim |
| M93043 | Acute slipped upper femoral epiphysis, unstable, unsp hip | None | Cannot lead a claim |
| M93044 | Acute slipped upper femoral epiphysis, unstable, bi hips | E | Can lead a claim |
| M93051 | Acute on chr slipped upper femoral epiphy, unstbl, r hip | E | Can lead a claim |
| M93052 | Acute on chr slipped upper femoral epiphy, unstbl, l hip | E | Can lead a claim |
| M93053 | Acute on chr slipped upper femoral epiphy, unstbl, unsp hip | None | Cannot lead a claim |
| M93054 | Acute on chr slipped upper femoral epiphy, unstbl, bi hips | E | Can lead a claim |
| M93061 | Acute slipped upper femoral epiphy, unsp stability, r hip | E | Can lead a claim |
| M93062 | Acute slipped upper femoral epiphy, unsp stability, l hip | E | Can lead a claim |
| M93063 | Acute slipped upper fem epiphy, unsp stability, unsp hip | None | Cannot lead a claim |
| M93064 | Acute slipped upper femoral epiphy, unsp stability, bi hips | E | Can lead a claim |
| M93071 | Acute on chr slip upper fem epiphy, unsp stability, r hip | E | Can lead a claim |
| M93072 | Acute on chr slip upper fem epiphy, unsp stability, l hip | E | Can lead a claim |
| M93073 | Ac on chr slip upper fem epiphy, unsp stability, unsp hip | None | Cannot lead a claim |
| M93074 | Acute on chr slip upper fem epiphy, unsp stability, bi hips | E | Can lead a claim |
| M931 | Kienbock's disease of adults | E | Can lead a claim |
| M9320 | Osteochondritis dissecans of unspecified site | None | Cannot lead a claim |
| M93211 | Osteochondritis dissecans, right shoulder | E | Can lead a claim |
| M93212 | Osteochondritis dissecans, left shoulder | E | Can lead a claim |
| M93219 | Osteochondritis dissecans, unspecified shoulder | None | Cannot lead a claim |
| M93221 | Osteochondritis dissecans, right elbow | E | Can lead a claim |
| M93222 | Osteochondritis dissecans, left elbow | E | Can lead a claim |
| M93229 | Osteochondritis dissecans, unspecified elbow | None | Cannot lead a claim |
| M93231 | Osteochondritis dissecans, right wrist | E | Can lead a claim |
| M93232 | Osteochondritis dissecans, left wrist | E | Can lead a claim |
| M93239 | Osteochondritis dissecans, unspecified wrist | None | Cannot lead a claim |
| M93241 | Osteochondritis dissecans, joints of right hand | E | Can lead a claim |
| M93242 | Osteochondritis dissecans, joints of left hand | E | Can lead a claim |
| M93249 | Osteochondritis dissecans, joints of unspecified hand | None | Cannot lead a claim |
| M93251 | Osteochondritis dissecans, right hip | E | Can lead a claim |
| M93252 | Osteochondritis dissecans, left hip | E | Can lead a claim |
| M93259 | Osteochondritis dissecans, unspecified hip | None | Cannot lead a claim |
| M93261 | Osteochondritis dissecans, right knee | E | Can lead a claim |
| M93262 | Osteochondritis dissecans, left knee | E | Can lead a claim |
| M93269 | Osteochondritis dissecans, unspecified knee | None | Cannot lead a claim |
| M93271 | Osteochondritis dissecans, r ankle and joints of right foot | E | Can lead a claim |
| M93272 | Osteochondritis dissecans, l ankle and joints of left foot | E | Can lead a claim |
| M93279 | Osteochondritis dissecans, unsp ankle and joints of foot | None | Cannot lead a claim |
| M9328 | Osteochondritis dissecans other site | E | Can lead a claim |
| M9329 | Osteochondritis dissecans multiple sites | E | Can lead a claim |
| M9380 | Other specified osteochondropathies of unspecified site | None | Cannot lead a claim |
| M93811 | Other specified osteochondropathies, right shoulder | E | Can lead a claim |
| M93812 | Other specified osteochondropathies, left shoulder | E | Can lead a claim |
| M93819 | Other specified osteochondropathies, unspecified shoulder | None | Cannot lead a claim |
| M93821 | Other specified osteochondropathies, right upper arm | E | Can lead a claim |
| M93822 | Other specified osteochondropathies, left upper arm | E | Can lead a claim |
| M93829 | Other specified osteochondropathies, unspecified upper arm | None | Cannot lead a claim |
| M93831 | Other specified osteochondropathies, right forearm | E | Can lead a claim |
| M93832 | Other specified osteochondropathies, left forearm | E | Can lead a claim |
| M93839 | Other specified osteochondropathies, unspecified forearm | None | Cannot lead a claim |
| M93841 | Other specified osteochondropathies, right hand | E | Can lead a claim |
| M93842 | Other specified osteochondropathies, left hand | E | Can lead a claim |
| M93849 | Other specified osteochondropathies, unspecified hand | None | Cannot lead a claim |
| M93851 | Other specified osteochondropathies, right thigh | E | Can lead a claim |
| M93852 | Other specified osteochondropathies, left thigh | E | Can lead a claim |
| M93859 | Other specified osteochondropathies, unspecified thigh | None | Cannot lead a claim |
| M93861 | Other specified osteochondropathies, right lower leg | E | Can lead a claim |
| M93862 | Other specified osteochondropathies, left lower leg | E | Can lead a claim |
| M93869 | Other specified osteochondropathies, unspecified lower leg | None | Cannot lead a claim |
| M93871 | Other specified osteochondropathies, right ankle and foot | E | Can lead a claim |
| M93872 | Other specified osteochondropathies, left ankle and foot | E | Can lead a claim |
| M93879 | Oth osteochondropathies, unspecified ankle and foot | None | Cannot lead a claim |
| M9388 | Other specified osteochondropathies other | E | Can lead a claim |
| M9389 | Other specified osteochondropathies multiple sites | E | Can lead a claim |
| M9390 | Osteochondropathy, unspecified of unspecified site | None | Cannot lead a claim |
| M93911 | Osteochondropathy, unspecified, right shoulder | E | Can lead a claim |
| M93912 | Osteochondropathy, unspecified, left shoulder | E | Can lead a claim |
| M93919 | Osteochondropathy, unspecified, unspecified shoulder | None | Cannot lead a claim |
| M93921 | Osteochondropathy, unspecified, right upper arm | E | Can lead a claim |
| M93922 | Osteochondropathy, unspecified, left upper arm | E | Can lead a claim |
| M93929 | Osteochondropathy, unspecified, unspecified upper arm | None | Cannot lead a claim |
| M93931 | Osteochondropathy, unspecified, right forearm | E | Can lead a claim |
| M93932 | Osteochondropathy, unspecified, left forearm | E | Can lead a claim |
| M93939 | Osteochondropathy, unspecified, unspecified forearm | None | Cannot lead a claim |
| M93941 | Osteochondropathy, unspecified, right hand | E | Can lead a claim |
| M93942 | Osteochondropathy, unspecified, left hand | E | Can lead a claim |
| M93949 | Osteochondropathy, unspecified, unspecified hand | None | Cannot lead a claim |
| M93951 | Osteochondropathy, unspecified, right thigh | E | Can lead a claim |
| M93952 | Osteochondropathy, unspecified, left thigh | E | Can lead a claim |
| M93959 | Osteochondropathy, unspecified, unspecified thigh | None | Cannot lead a claim |
| M93961 | Osteochondropathy, unspecified, right lower leg | E | Can lead a claim |
| M93962 | Osteochondropathy, unspecified, left lower leg | E | Can lead a claim |
| M93969 | Osteochondropathy, unspecified, unspecified lower leg | None | Cannot lead a claim |
| M93971 | Osteochondropathy, unspecified, right ankle and foot | E | Can lead a claim |
| M93972 | Osteochondropathy, unspecified, left ankle and foot | E | Can lead a claim |
| M93979 | Osteochondropathy, unspecified, unspecified ankle and foot | None | Cannot lead a claim |
| M9398 | Osteochondropathy, unspecified other | None | Cannot lead a claim |
| M9399 | Osteochondropathy, unspecified multiple sites | E | Can lead a claim |
| M940 | Chondrocostal junction syndrome [Tietze] | E | Can lead a claim |
| M941 | Relapsing polychondritis | E | Can lead a claim |
| M9420 | Chondromalacia, unspecified site | None | Cannot lead a claim |
| M94211 | Chondromalacia, right shoulder | E | Can lead a claim |
| M94212 | Chondromalacia, left shoulder | E | Can lead a claim |
| M94219 | Chondromalacia, unspecified shoulder | None | Cannot lead a claim |
| M94221 | Chondromalacia, right elbow | E | Can lead a claim |
| M94222 | Chondromalacia, left elbow | E | Can lead a claim |
| M94229 | Chondromalacia, unspecified elbow | None | Cannot lead a claim |
| M94231 | Chondromalacia, right wrist | E | Can lead a claim |
| M94232 | Chondromalacia, left wrist | E | Can lead a claim |
| M94239 | Chondromalacia, unspecified wrist | None | Cannot lead a claim |
| M94241 | Chondromalacia, joints of right hand | E | Can lead a claim |
| M94242 | Chondromalacia, joints of left hand | E | Can lead a claim |
| M94249 | Chondromalacia, joints of unspecified hand | None | Cannot lead a claim |
| M94251 | Chondromalacia, right hip | E | Can lead a claim |
| M94252 | Chondromalacia, left hip | E | Can lead a claim |
| M94259 | Chondromalacia, unspecified hip | None | Cannot lead a claim |
| M94261 | Chondromalacia, right knee | E | Can lead a claim |
| M94262 | Chondromalacia, left knee | E | Can lead a claim |
| M94269 | Chondromalacia, unspecified knee | None | Cannot lead a claim |
| M94271 | Chondromalacia, right ankle and joints of right foot | E | Can lead a claim |
| M94272 | Chondromalacia, left ankle and joints of left foot | E | Can lead a claim |
| M94279 | Chondromalacia, unspecified ankle and joints of foot | None | Cannot lead a claim |
| M9428 | Chondromalacia, other site | E | Can lead a claim |
| M9429 | Chondromalacia, multiple sites | E | Can lead a claim |
| M94351 | Chondrolysis, right hip | E | Can lead a claim, code first applies |
| M94352 | Chondrolysis, left hip | E | Can lead a claim, code first applies |
| M94359 | Chondrolysis, unspecified hip | None | Cannot lead a claim |
| M948X0 | Other specified disorders of cartilage, multiple sites | E | Can lead a claim |
| M948X1 | Other specified disorders of cartilage, shoulder | E | Can lead a claim |
| M948X2 | Other specified disorders of cartilage, upper arm | E | Can lead a claim |
| M948X3 | Other specified disorders of cartilage, forearm | E | Can lead a claim |
| M948X4 | Other specified disorders of cartilage, hand | E | Can lead a claim |
| M948X5 | Other specified disorders of cartilage, thigh | E | Can lead a claim |
| M948X6 | Other specified disorders of cartilage, lower leg | E | Can lead a claim |
| M948X7 | Other specified disorders of cartilage, ankle and foot | E | Can lead a claim |
| M948X8 | Other specified disorders of cartilage, other site | E | Can lead a claim |
| M948X9 | Other specified disorders of cartilage, unspecified sites | None | Cannot lead a claim |
| M949 | Disorder of cartilage, unspecified | None | Cannot lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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